{ "document": { "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings." } ], "publisher": { "category": "coordinator", "contact_details": "cert@ncsc.nl", "name": "National Cyber Security Centre", "namespace": "https://www.ncsc.nl/" }, "title": "CVE-2026-10097", "tracking": { "current_release_date": "2026-09-05T03:58:56.406506Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-10097", "initial_release_date": "2026-06-25T20:42:10.316682Z", "revision_history": [ { "date": "2026-06-25T20:42:10.316682Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-06-25T20:42:13.080946Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-06-25T21:02:27.591445Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| References created (2).| CWES updated (1)." }, { "date": "2026-06-25T21:02:29.155587Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-06-26T14:50:33.079244Z", "number": "5", "summary": "Unknown change." }, { "date": "2026-06-26T17:15:13.263296Z", "number": "6", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-06-26T17:15:17.687598Z", "number": "7", "summary": "NCSC Score updated." }, { "date": "2026-06-26T18:05:41.406304Z", "number": "8", "summary": "Description removed for source.| Description created for source.| CVSS updated.| CWES updated (1)." }, { "date": "2026-06-26T18:05:43.372198Z", "number": "9", "summary": "NCSC Score updated." }, { "date": "2026-06-26T18:30:44.964658Z", "number": "10", "summary": "Description removed for source.| Description created for source.| CVSS created.| CVSS updated.| Products created (1).| Product Identifiers created (1).| CWES updated (1)." }, { "date": "2026-06-26T18:30:47.439030Z", "number": "11", "summary": "NCSC Score updated." }, { "date": "2026-06-27T15:27:44.530855Z", "number": "12", "summary": "NCSC Score updated." }, { "date": "2026-06-30T11:38:19.096606Z", "number": "13", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (33).| Product Identifiers created (26).| References created (4)." }, { "date": "2026-07-01T12:21:14.089522Z", "number": "14", "summary": "Source connected.| CVE status created. (valid)| Description created for source.| CVSS created.| CWES updated (1)." }, { "date": "2026-07-01T12:21:17.364214Z", "number": "15", "summary": "NCSC Score updated." }, { "date": "2026-07-10T03:02:59.042371Z", "number": "16", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-07-10T03:03:03.589998Z", "number": "17", "summary": "NCSC Score updated." }, { "date": "2026-07-17T12:42:01.360518Z", "number": "18", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (12).| References created (4).| CWES updated (1)." }, { "date": "2026-07-17T12:42:11.806058Z", "number": "19", "summary": "NCSC Score updated." }, { "date": "2026-07-27T12:46:40.327584Z", "number": "20", "summary": "Source created.| CVE status created. (valid)| Description created for source.| Products connected (2)." }, { "date": "2026-07-27T12:46:44.165295Z", "number": "21", "summary": "NCSC Score updated." }, { "date": "2026-08-11T15:12:04.508904Z", "number": "22", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-08-11T15:12:24.511379Z", "number": "23", "summary": "NCSC Score updated." }, { "date": "2026-08-24T15:58:03.030883Z", "number": "24", "summary": "EPSS updated." }, { "date": "2026-08-24T15:58:05.054739Z", "number": "25", "summary": "NCSC Score updated." }, { "date": "2026-09-01T22:15:44.781021Z", "number": "26", "summary": "Description removed for source.| Products removed (1)." }, { "date": "2026-09-01T22:15:45.583921Z", "number": "27", "summary": "NCSC Score updated." }, { "date": "2026-09-02T04:31:37.017168Z", "number": "28", "summary": "Description created for source." }, { "date": "2026-09-02T10:45:54.791631Z", "number": "29", "summary": "EPSS updated." }, { "date": "2026-09-02T23:34:26.712869Z", "number": "30", "summary": "NCSC Score updated." }, { "date": "2026-09-03T14:38:30.634856Z", "number": "31", "summary": "EPSS updated." }, { "date": "2026-09-03T19:01:52.670306Z", "number": "32", "summary": "EPSS updated." }, { "date": "2026-09-04T15:47:55.258154Z", "number": "33", "summary": "EPSS updated." }, { "date": "2026-09-05T03:58:54.866406Z", "number": "34", "summary": "NCSC Score updated." } ], "status": "interim", "version": "34" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/>=5.7.0|<5.9.2", "product": { "name": "vers:unknown/>=5.7.0|<5.9.2", "product_id": "CSAFPID-8504681", "product_identification_helper": { "cpe": "cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/v5.2.1", "product": { "name": "vers:unknown/v5.2.1", "product_id": "CSAFPID-5230670" } }, { "category": "product_version_range", "name": "vers:unknown/v5.7.0-stable", "product": { "name": "vers:unknown/v5.7.0-stable", "product_id": "CSAFPID-3650207" } }, { "category": "product_version_range", "name": "vers:unknown/v5.7.2-stable", "product": { "name": "vers:unknown/v5.7.2-stable", "product_id": "CSAFPID-5230671" } }, { "category": "product_version_range", "name": "vers:unknown/v5.7.4-stable", "product": { "name": "vers:unknown/v5.7.4-stable", "product_id": "CSAFPID-5230672" } }, { "category": "product_version_range", "name": "vers:unknown/v5.7.6-stable", "product": { "name": "vers:unknown/v5.7.6-stable", "product_id": "CSAFPID-5230673" } }, { "category": "product_version_range", "name": "vers:unknown/v5.8.0-stable", "product": { "name": "vers:unknown/v5.8.0-stable", "product_id": "CSAFPID-5230674" } }, { "category": "product_version_range", "name": "vers:unknown/v5.8.2-stable", "product": { "name": "vers:unknown/v5.8.2-stable", "product_id": "CSAFPID-5230633" } }, { "category": "product_version_range", "name": "vers:unknown/v5.8.4-stable", "product": { "name": "vers:unknown/v5.8.4-stable", "product_id": "CSAFPID-5232802" } }, { "category": "product_version_range", "name": "vers:unknown/v5.9.0-stable", "product": { "name": "vers:unknown/v5.9.0-stable", "product_id": "CSAFPID-8844955" } }, { "category": "product_version_range", "name": "vers:unknown/v5.9.1-stable", "product": { "name": "vers:unknown/v5.9.1-stable", "product_id": "CSAFPID-8844960" } }, { "category": "product_version_range", "name": "vers:unknown/wolfentropy1", "product": { "name": "vers:unknown/wolfentropy1", "product_id": "CSAFPID-3650208" } }, { "category": "product_version_range", "name": "vers:unknown/wolfentropy2d", "product": { "name": "vers:unknown/wolfentropy2d", "product_id": "CSAFPID-5581292" } } ], "category": "product_name", "name": "WolfSSL" } ], "category": "vendor", "name": "wolfSSL " }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:semver/5.7.0|<=5.9.1", "product": { "name": "vers:semver/5.7.0|<=5.9.1", "product_id": "CSAFPID-8500938" } } ], "category": "product_name", "name": "wolfSSL" } ], "category": "vendor", "name": "wolfSSL" }, { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:deb/unknown", "product": { "name": "vers:deb/unknown", "product_id": "CSAFPID-1410445" } } ], "category": "product_name", "name": "wolfssl" } ], "category": "product_family", "name": "bookworm" } ], "category": "vendor", "name": "Debian" }, { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/3.4.8+dfsg-1", "product": { "name": "vers:unknown/3.4.8+dfsg-1", "product_id": "CSAFPID-6053233", "product_identification_helper": { "purl": "pkg:deb/ubuntu/wolfssl@3.4.8%2Bdfsg-1?arch=source&distro=xenial" } } }, { "category": "product_version_range", "name": "vers:unknown/>=0", "product": { "name": "vers:unknown/>=0", "product_id": "CSAFPID-6053234" } } ], "category": "product_name", "name": "wolfssl" } ], "category": "product_family", "name": "Ubuntu:16.04:LTS" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/3.10.2+dfsg-2", "product": { "name": "vers:unknown/3.10.2+dfsg-2", "product_id": "CSAFPID-6053235", "product_identification_helper": { "purl": "pkg:deb/ubuntu/wolfssl@3.10.2%2Bdfsg-2?arch=source&distro=bionic" } } }, { "category": "product_version_range", "name": "vers:unknown/3.12.0+dfsg-1", "product": { "name": "vers:unknown/3.12.0+dfsg-1", "product_id": "CSAFPID-6053236", "product_identification_helper": { "purl": "pkg:deb/ubuntu/wolfssl@3.12.0%2Bdfsg-1?arch=source&distro=bionic" } } }, { "category": "product_version_range", "name": "vers:unknown/3.12.2+dfsg-1", "product": { "name": "vers:unknown/3.12.2+dfsg-1", "product_id": "CSAFPID-6053237", "product_identification_helper": { "purl": "pkg:deb/ubuntu/wolfssl@3.12.2%2Bdfsg-1?arch=source&distro=bionic" } } }, { "category": "product_version_range", "name": "vers:unknown/3.13.0+dfsg-1", "product": { "name": "vers:unknown/3.13.0+dfsg-1", "product_id": "CSAFPID-6053238", "product_identification_helper": { "purl": "pkg:deb/ubuntu/wolfssl@3.13.0%2Bdfsg-1?arch=source&distro=bionic" } } }, { "category": "product_version_range", "name": "vers:unknown/>=0", "product": { "name": "vers:unknown/>=0", "product_id": "CSAFPID-6053239" } } ], "category": "product_name", "name": "wolfssl" } ], "category": "product_family", "name": "Ubuntu:18.04:LTS" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/4.1.0+dfsg-2", "product": { "name": "vers:unknown/4.1.0+dfsg-2", "product_id": "CSAFPID-6053240", "product_identification_helper": { "purl": "pkg:deb/ubuntu/wolfssl@4.1.0%2Bdfsg-2?arch=source&distro=focal" } } }, { "category": "product_version_range", "name": "vers:unknown/4.2.0+dfsg-1", "product": { "name": "vers:unknown/4.2.0+dfsg-1", "product_id": "CSAFPID-6053241", "product_identification_helper": { "purl": "pkg:deb/ubuntu/wolfssl@4.2.0%2Bdfsg-1?arch=source&distro=focal" } } }, { "category": "product_version_range", "name": "vers:unknown/4.2.0+dfsg-2", "product": { "name": "vers:unknown/4.2.0+dfsg-2", "product_id": "CSAFPID-6053242", "product_identification_helper": { "purl": "pkg:deb/ubuntu/wolfssl@4.2.0%2Bdfsg-2?arch=source&distro=focal" } } }, { "category": "product_version_range", "name": "vers:unknown/4.2.0+dfsg-3", "product": { "name": "vers:unknown/4.2.0+dfsg-3", "product_id": "CSAFPID-6053243", "product_identification_helper": { "purl": "pkg:deb/ubuntu/wolfssl@4.2.0%2Bdfsg-3?arch=source&distro=focal" } } }, { "category": "product_version_range", "name": "vers:unknown/4.3.0+dfsg-2", "product": { "name": "vers:unknown/4.3.0+dfsg-2", "product_id": "CSAFPID-6053244", "product_identification_helper": { "purl": "pkg:deb/ubuntu/wolfssl@4.3.0%2Bdfsg-2?arch=source&distro=focal" } } }, { "category": "product_version_range", "name": "vers:unknown/>=0", "product": { "name": "vers:unknown/>=0", "product_id": "CSAFPID-6053245" } } ], "category": "product_name", "name": "wolfssl" } ], "category": "product_family", "name": "Ubuntu:20.04:LTS" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/4.6.0-3", "product": { "name": "vers:unknown/4.6.0-3", "product_id": "CSAFPID-6053246", "product_identification_helper": { "purl": "pkg:deb/ubuntu/wolfssl@4.6.0-3?arch=source&distro=jammy" } } }, { "category": "product_version_range", "name": "vers:unknown/5.0.0-1", "product": { "name": "vers:unknown/5.0.0-1", "product_id": "CSAFPID-6053247", "product_identification_helper": { "purl": "pkg:deb/ubuntu/wolfssl@5.0.0-1?arch=source&distro=jammy" } } }, { "category": "product_version_range", "name": "vers:unknown/5.1.1-1", "product": { "name": "vers:unknown/5.1.1-1", "product_id": "CSAFPID-6053248", "product_identification_helper": { "purl": "pkg:deb/ubuntu/wolfssl@5.1.1-1?arch=source&distro=jammy" } } }, { "category": "product_version_range", "name": "vers:unknown/5.2.0-1", "product": { "name": "vers:unknown/5.2.0-1", "product_id": "CSAFPID-6053249", "product_identification_helper": { "purl": "pkg:deb/ubuntu/wolfssl@5.2.0-1?arch=source&distro=jammy" } } }, { "category": "product_version_range", "name": "vers:unknown/5.2.0-2", "product": { "name": "vers:unknown/5.2.0-2", "product_id": "CSAFPID-6053250", "product_identification_helper": { "purl": "pkg:deb/ubuntu/wolfssl@5.2.0-2?arch=source&distro=jammy" } } }, { "category": "product_version_range", "name": "vers:unknown/>=0", "product": { "name": "vers:unknown/>=0", "product_id": "CSAFPID-6053251" } } ], "category": "product_name", "name": "wolfssl" } ], "category": "product_family", "name": "Ubuntu:22.04:LTS" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/5.5.4-2", "product": { "name": "vers:unknown/5.5.4-2", "product_id": "CSAFPID-6053252", "product_identification_helper": { "purl": "pkg:deb/ubuntu/wolfssl@5.5.4-2?arch=source&distro=noble" } } }, { "category": "product_version_range", "name": "vers:unknown/5.5.4-2.1", "product": { "name": "vers:unknown/5.5.4-2.1", "product_id": "CSAFPID-6053253", "product_identification_helper": { "purl": "pkg:deb/ubuntu/wolfssl@5.5.4-2.1?arch=source&distro=noble" } } }, { "category": "product_version_range", "name": "vers:unknown/5.6.4-2", "product": { "name": "vers:unknown/5.6.4-2", "product_id": "CSAFPID-6053255", "product_identification_helper": { "purl": "pkg:deb/ubuntu/wolfssl@5.6.4-2?arch=source&distro=noble" } } }, { "category": "product_version_range", "name": "vers:unknown/5.6.6-1.2", "product": { "name": "vers:unknown/5.6.6-1.2", "product_id": "CSAFPID-6053257", "product_identification_helper": { "purl": "pkg:deb/ubuntu/wolfssl@5.6.6-1.2?arch=source&distro=noble" } } }, { "category": "product_version_range", "name": "vers:unknown/5.6.6-1.3", "product": { "name": "vers:unknown/5.6.6-1.3", "product_id": "CSAFPID-6053259", "product_identification_helper": { "purl": "pkg:deb/ubuntu/wolfssl@5.6.6-1.3?arch=source&distro=noble" } } }, { "category": "product_version_range", "name": "vers:unknown/5.6.6-1.3build1", "product": { "name": "vers:unknown/5.6.6-1.3build1", "product_id": "CSAFPID-6053260", "product_identification_helper": { "purl": "pkg:deb/ubuntu/wolfssl@5.6.6-1.3build1?arch=source&distro=noble" } } }, { "category": "product_version_range", "name": "vers:unknown/>=0", "product": { "name": "vers:unknown/>=0", "product_id": "CSAFPID-6053261" } } ], "category": "product_name", "name": "wolfssl" } ], "category": "product_family", "name": "Ubuntu:24.04:LTS" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/5.7.2-0.1", "product": { "name": "vers:unknown/5.7.2-0.1", "product_id": "CSAFPID-6053262", "product_identification_helper": { "purl": "pkg:deb/ubuntu/wolfssl@5.7.2-0.1?arch=source&distro=questing" } } }, { "category": "product_version_range", "name": "vers:unknown/>=0", "product": { "name": "vers:unknown/>=0", "product_id": "CSAFPID-6053263" } } ], "category": "product_name", "name": "wolfssl" } ], "category": "product_family", "name": "Ubuntu:25.10" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/5.7.2-0.1", "product": { "name": "vers:unknown/5.7.2-0.1", "product_id": "CSAFPID-7765358", "product_identification_helper": { "purl": "pkg:deb/ubuntu/wolfssl@5.7.2-0.1?arch=source&distro=resolute" } } }, { "category": "product_version_range", "name": "vers:unknown/5.8.2-1.2", "product": { "name": "vers:unknown/5.8.2-1.2", "product_id": "CSAFPID-7765359", "product_identification_helper": { "purl": "pkg:deb/ubuntu/wolfssl@5.8.2-1.2?arch=source&distro=resolute" } } }, { "category": "product_version_range", "name": "vers:unknown/5.8.4-1", "product": { "name": "vers:unknown/5.8.4-1", "product_id": "CSAFPID-7765360", "product_identification_helper": { "purl": "pkg:deb/ubuntu/wolfssl@5.8.4-1?arch=source&distro=resolute" } } }, { "category": "product_version_range", "name": "vers:unknown/5.9.1-0.1", "product": { "name": "vers:unknown/5.9.1-0.1", "product_id": "CSAFPID-7765361", "product_identification_helper": { "purl": "pkg:deb/ubuntu/wolfssl@5.9.1-0.1?arch=source&distro=resolute" } } }, { "category": "product_version_range", "name": "vers:unknown/>=0", "product": { "name": "vers:unknown/>=0", "product_id": "CSAFPID-7765362" } } ], "category": "product_name", "name": "wolfssl" } ], "category": "product_family", "name": "Ubuntu:26.04:LTS" } ], "category": "vendor", "name": "Ubuntu" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-10097", "notes": [ { "category": "description", "text": "wolfSSL's AVX2-optimized ML-KEM implementation (mlkem_cmp_avx2) compares only 1536 of the 1568 ciphertext bytes during the Fujisaki-Okamoto re-encryption check in ML-KEM-1024 decapsulation. Ciphertexts that differ from the expected re-encryption solely in bytes 1536-1567 bypass implicit rejection and are accepted as valid, breaking IND-CCA2 security. An attacker able to submit chosen ciphertexts to a decapsulation oracle that uses a static ML-KEM-1024 key, and to observe whether the genuine shared secret or the implicit-rejection secret was produced, can use this as a plaintext-checking oracle to recover the private key. A proof of concept recovered a full ML-KEM-1024 private key with approximately 98% success using roughly 350 chosen ciphertexts. The flaw is a deterministic logic error and does not rely on timing measurements.", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-10097" }, { "category": "description", "text": "wolfSSL's AVX2-optimized ML-KEM implementation (mlkem_cmp_avx2) compares only 1536 of the 1568 ciphertext bytes during the Fujisaki-Okamoto re-encryption check in ML-KEM-1024 decapsulation. Ciphertexts that differ from the expected re-encryption solely in bytes 1536-1567 bypass implicit rejection and are accepted as valid, breaking IND-CCA2 security. An attacker able to submit chosen ciphertexts to a decapsulation oracle that uses a static ML-KEM-1024 key, and to observe whether the genuine shared secret or the implicit-rejection secret was produced, can use this as a plaintext-checking oracle to recover the private key. A proof of concept recovered a full ML-KEM-1024 private key with approximately 98% success using roughly 350 chosen ciphertexts. The flaw is a deterministic logic error and does not rely on timing measurements.", "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/10xxx/CVE-2026-10097.json" }, { "category": "description", "text": "wolfSSL's AVX2-optimized ML-KEM implementation (mlkem_cmp_avx2) compares only 1536 of the 1568 ciphertext bytes during the Fujisaki-Okamoto re-encryption check in ML-KEM-1024 decapsulation. Ciphertexts that differ from the expected re-encryption solely in bytes 1536-1567 bypass implicit rejection and are accepted as valid, breaking IND-CCA2 security. An attacker able to submit chosen ciphertexts to a decapsulation oracle that uses a static ML-KEM-1024 key, and to observe whether the genuine shared secret or the implicit-rejection secret was produced, can use this as a plaintext-checking oracle to recover the private key. A proof of concept recovered a full ML-KEM-1024 private key with approximately 98% success using roughly 350 chosen ciphertexts. The flaw is a deterministic logic error and does not rely on timing measurements.", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Ubuntu%2FUBUNTU-CVE-2026-10097.json?alt=media" }, { "category": "description", "text": "ML-KEM-1024 x64 AVX2 incomplete cipher text comparison enables IND-CCA2 break and static private-key recovery", "title": "microsoft - https://api.msrc.microsoft.com/cvrf/v3.0/cvrf/2026-Jun" }, { "category": "description", "text": "wolfSSL's AVX2-optimized ML-KEM implementation (mlkem_cmp_avx2) compares only 1536 of the 1568 ciphertext bytes during the Fujisaki-Okamoto re-encryption check in ML-KEM-1024 decapsulation. Ciphertexts that differ from the expected re-encryption solely in bytes 1536-1567 bypass implicit rejection and are accepted as valid, breaking IND-CCA2 security. An attacker able to submit chosen ciphertexts to a decapsulation oracle that uses a static ML-KEM-1024 key, and to observe whether the genuine shared secret or the implicit-rejection secret was produced, can use this as a plaintext-checking oracle to recover the private key. A proof of concept recovered a full ML-KEM-1024 private key with approximately 98% success using roughly 350 chosen ciphertexts. The flaw is a deterministic logic error and does not rely on timing measurements.", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-10097.json?alt=media" }, { "category": "description", "text": "wolfSSL's AVX2-optimized ML-KEM implementation (mlkem_cmp_avx2) compares only 1536 of the 1568 ciphertext bytes during the Fujisaki-Okamoto re-encryption check in ML-KEM-1024 decapsulation. Ciphertexts that differ from the expected re-encryption solely in bytes 1536-1567 bypass implicit rejection and are accepted as valid, breaking IND-CCA2 security. An attacker able to submit chosen ciphertexts to a decapsulation oracle that uses a static ML-KEM-1024 key, and to observe whether the genuine shared secret or the implicit-rejection secret was produced, can use this as a plaintext-checking oracle to recover the private key. A proof of concept recovered a full ML-KEM-1024 private key with approximately 98% success using roughly 350 chosen ciphertexts. The flaw is a deterministic logic error and does not rely on timing measurements.", "title": "debian - https://security-tracker.debian.org/tracker/CVE-2026-10097" }, { "category": "other", "text": "0.00262", "title": "EPSS" }, { "category": "other", "text": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "title": "CVSSV4" }, { "category": "other", "text": "8.3", "title": "CVSSV4 base score" }, { "category": "other", "text": "4.3", "title": "NCSC Score" }, { "category": "other", "text": "The value of the most recent CVSS (V3) score, Is related to an uncommon product vendor, Is related to (a version of) an uncommon product", "title": "NCSC Score top decreasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-8500938", "CSAFPID-8504681", "CSAFPID-6053233", "CSAFPID-6053234", "CSAFPID-6053235", "CSAFPID-6053236", "CSAFPID-6053237", "CSAFPID-6053238", "CSAFPID-6053239", "CSAFPID-6053240", "CSAFPID-6053241", "CSAFPID-6053242", "CSAFPID-6053243", "CSAFPID-6053244", "CSAFPID-6053245", "CSAFPID-6053246", "CSAFPID-6053247", "CSAFPID-6053248", "CSAFPID-6053249", "CSAFPID-6053250", "CSAFPID-6053251", "CSAFPID-6053252", "CSAFPID-6053253", "CSAFPID-6053255", "CSAFPID-6053257", "CSAFPID-6053259", "CSAFPID-6053260", "CSAFPID-6053261", "CSAFPID-6053262", "CSAFPID-6053263", "CSAFPID-7765358", "CSAFPID-7765359", "CSAFPID-7765360", "CSAFPID-7765361", "CSAFPID-7765362", "CSAFPID-3650207", "CSAFPID-3650208", "CSAFPID-5230633", "CSAFPID-5230670", "CSAFPID-5230671", "CSAFPID-5230672", "CSAFPID-5230673", "CSAFPID-5230674", "CSAFPID-5232802", "CSAFPID-5581292", "CSAFPID-8844955", "CSAFPID-8844960", "CSAFPID-1410445" ] }, "references": [ { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss" }, { "category": "external", "summary": "Source - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-10097" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/10xxx/CVE-2026-10097.json" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Ubuntu%2FUBUNTU-CVE-2026-10097.json?alt=media" }, { "category": "external", "summary": "Source - microsoft", "url": "https://api.msrc.microsoft.com/cvrf/v3.0/cvrf/2026-Jun" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-10097.json?alt=media" }, { "category": "external", "summary": "Source - debian", "url": "https://security-tracker.debian.org/tracker/CVE-2026-10097" }, { "category": "external", "summary": "Source - ncscclear", "url": "https://vulnerabilities.ncsc.nl/manual/CVE-2026-10097" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; osv", "url": "https://github.com/wolfSSL/wolfssl/pull/10430" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; osv", "url": "https://www.wolfssl.com/docs/security-vulnerabilities/" }, { "category": "external", "summary": "Reference - osv", "url": "https://ubuntu.com/security/CVE-2026-10097" }, { "category": "external", "summary": "Reference - osv", "url": "https://www.cve.org/CVERecord?id=CVE-2026-10097" }, { "category": "external", "summary": "Reference - osv", "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/10xxx/CVE-2026-10097.json" }, { "category": "external", "summary": "Reference - osv", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-10097" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "baseScore": 7.5, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-1410445", "CSAFPID-3650207", "CSAFPID-3650208", "CSAFPID-5230633", "CSAFPID-5230670", "CSAFPID-5230671", "CSAFPID-5230672", "CSAFPID-5230673", "CSAFPID-5230674", "CSAFPID-5232802", "CSAFPID-5581292", "CSAFPID-6053233", "CSAFPID-6053234", "CSAFPID-6053235", "CSAFPID-6053236", "CSAFPID-6053237", "CSAFPID-6053238", "CSAFPID-6053239", "CSAFPID-6053240", "CSAFPID-6053241", "CSAFPID-6053242", "CSAFPID-6053243", "CSAFPID-6053244", "CSAFPID-6053245", "CSAFPID-6053246", "CSAFPID-6053247", "CSAFPID-6053248", "CSAFPID-6053249", "CSAFPID-6053250", "CSAFPID-6053251", "CSAFPID-6053252", "CSAFPID-6053253", "CSAFPID-6053255", "CSAFPID-6053257", "CSAFPID-6053259", "CSAFPID-6053260", "CSAFPID-6053261", "CSAFPID-6053262", "CSAFPID-6053263", "CSAFPID-7765358", "CSAFPID-7765359", "CSAFPID-7765360", "CSAFPID-7765361", "CSAFPID-7765362", "CSAFPID-8500938", "CSAFPID-8504681", "CSAFPID-8844955", "CSAFPID-8844960" ] } ], "title": "CVE-2026-10097" } ] }