{ "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-2026-9198", "tracking": { "current_release_date": "2026-09-05T05:18:25.590955Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-9198", "initial_release_date": "2026-07-10T02:30:07.049906Z", "revision_history": [ { "date": "2026-07-10T02:30:07.049906Z", "number": "1", "summary": "NCSC Score created." }, { "date": "2026-07-17T18:16:44.127367Z", "number": "2", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| Product Identifiers created (2).| References created (1).| CWES updated (1)." }, { "date": "2026-07-17T18:16:45.741116Z", "number": "3", "summary": "NCSC Score updated." }, { "date": "2026-07-17T18:33:47.163268Z", "number": "4", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (1).| CWES updated (1)." }, { "date": "2026-07-17T18:33:49.832411Z", "number": "5", "summary": "NCSC Score updated." }, { "date": "2026-07-17T19:00:20.912819Z", "number": "6", "summary": "Unknown change." }, { "date": "2026-07-18T10:28:09.472640Z", "number": "7", "summary": "NCSC Score updated." }, { "date": "2026-07-18T16:09:21.193415Z", "number": "8", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-07-18T16:09:23.111457Z", "number": "9", "summary": "NCSC Score updated." }, { "date": "2026-07-20T10:25:22.934574Z", "number": "10", "summary": "Source connected.| CVE status created. (valid)| Products connected (1).| References created (16)." }, { "date": "2026-07-20T10:25:25.603325Z", "number": "11", "summary": "NCSC Score updated." }, { "date": "2026-07-20T12:17:50.421059Z", "number": "12", "summary": "NCSC Score updated." }, { "date": "2026-07-21T09:46:21.046393Z", "number": "13", "summary": "Source connected.| CVE status created. (valid)" }, { "date": "2026-07-21T09:46:23.110609Z", "number": "14", "summary": "NCSC Score updated." }, { "date": "2026-07-21T13:18:01.273415Z", "number": "15", "summary": "NCSC Score updated." }, { "date": "2026-07-24T17:25:42.885000Z", "number": "16", "summary": "Products connected (1).| Product Identifiers created (1)." }, { "date": "2026-07-24T17:25:50.814159Z", "number": "17", "summary": "NCSC Score updated." }, { "date": "2026-07-27T06:20:58.930561Z", "number": "18", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (1)." }, { "date": "2026-07-28T06:00:52.592536Z", "number": "19", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| Exploits created (1).| References created (4).| CWES updated (1)." }, { "date": "2026-07-28T06:00:54.915069Z", "number": "20", "summary": "NCSC Score updated." }, { "date": "2026-07-28T06:01:03.581281Z", "number": "21", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| Exploits created (1).| References created (4).| CWES updated (1)." }, { "date": "2026-07-28T06:01:04.736910Z", "number": "22", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| Exploits created (1).| References created (4).| CWES updated (1)." }, { "date": "2026-07-29T13:19:05.507774Z", "number": "23", "summary": "NCSC Score updated." }, { "date": "2026-07-29T15:11:52.176242Z", "number": "24", "summary": "EPSS updated." }, { "date": "2026-07-29T15:11:56.673892Z", "number": "25", "summary": "NCSC Score updated." }, { "date": "2026-08-04T18:07:41.567144Z", "number": "26", "summary": "Source connected.| CVE status created. (valid)| Description created for source.| Products created (1).| Exploits created (1).| References created (2).| CWES updated (1)." }, { "date": "2026-08-04T18:07:46.985388Z", "number": "27", "summary": "NCSC Score updated." }, { "date": "2026-08-04T18:39:36.905330Z", "number": "28", "summary": "References created (1).| Unknown change." }, { "date": "2026-08-04T19:25:30.855245Z", "number": "29", "summary": "References created (1)." }, { "date": "2026-08-05T00:47:40.478201Z", "number": "30", "summary": "Source connected.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| Exploits created (1).| References created (1).| Exploitable created." }, { "date": "2026-08-05T00:47:51.684832Z", "number": "31", "summary": "NCSC Score updated." }, { "date": "2026-08-05T10:30:44.340317Z", "number": "32", "summary": "Source connected.| CVE status created. (valid)| News created (1)." }, { "date": "2026-08-05T10:30:47.820839Z", "number": "33", "summary": "NCSC Score updated." }, { "date": "2026-08-05T12:23:42.918602Z", "number": "34", "summary": "NCSC Score updated." }, { "date": "2026-08-05T15:20:56.927067Z", "number": "35", "summary": "EPSS updated." }, { "date": "2026-08-05T15:20:57.980378Z", "number": "36", "summary": "NCSC Score updated." }, { "date": "2026-08-05T16:05:24.892832Z", "number": "37", "summary": "Source connected.| CVE status created. (valid)| News created (1)." }, { "date": "2026-08-05T16:05:28.879735Z", "number": "38", "summary": "NCSC Score updated." }, { "date": "2026-08-06T06:15:36.837465Z", "number": "39", "summary": "NCSC Score updated." }, { "date": "2026-08-06T06:35:02.372273Z", "number": "40", "summary": "References created (1)." }, { "date": "2026-08-06T11:18:09.742304Z", "number": "41", "summary": "NCSC Score updated." }, { "date": "2026-08-07T12:17:48.262633Z", "number": "42", "summary": "NCSC Score updated." }, { "date": "2026-08-11T14:17:45.512666Z", "number": "43", "summary": "NCSC Score updated." }, { "date": "2026-08-11T15:22:01.729195Z", "number": "44", "summary": "EPSS updated." }, { "date": "2026-08-21T21:18:53.283060Z", "number": "45", "summary": "NCSC Score updated." }, { "date": "2026-08-22T15:22:21.852390Z", "number": "46", "summary": "EPSS updated." }, { "date": "2026-08-22T15:22:23.233420Z", "number": "47", "summary": "NCSC Score updated." }, { "date": "2026-08-24T12:17:44.631454Z", "number": "48", "summary": "NCSC Score updated." }, { "date": "2026-08-24T15:26:45.800031Z", "number": "49", "summary": "EPSS updated." }, { "date": "2026-08-25T15:30:42.132005Z", "number": "50", "summary": "EPSS updated." }, { "date": "2026-08-25T15:30:50.446282Z", "number": "51", "summary": "NCSC Score updated." }, { "date": "2026-08-30T12:17:57.306530Z", "number": "52", "summary": "NCSC Score updated." }, { "date": "2026-09-01T18:05:23.181595Z", "number": "53", "summary": "Source connected.| CVE status created. (valid)| News created (1)." }, { "date": "2026-09-01T18:05:32.848250Z", "number": "54", "summary": "NCSC Score updated." }, { "date": "2026-09-02T10:18:27.234214Z", "number": "55", "summary": "EPSS updated." }, { "date": "2026-09-02T16:10:34.151508Z", "number": "56", "summary": "NCSC Score updated." }, { "date": "2026-09-03T14:07:46.160008Z", "number": "57", "summary": "EPSS updated." }, { "date": "2026-09-03T18:31:15.029650Z", "number": "58", "summary": "EPSS updated." }, { "date": "2026-09-04T15:14:30.196514Z", "number": "59", "summary": "EPSS updated." }, { "date": "2026-09-05T05:09:52.786075Z", "number": "60", "summary": "NCSC Score updated." } ], "status": "interim", "version": "60" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/unknown", "product": { "name": "vers:unknown/unknown", "product_id": "CSAFPID-8932283" } } ], "category": "product_name", "name": "Langflow" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/oss <1.10.1", "product": { "name": "vers:unknown/oss <1.10.1", "product_id": "CSAFPID-8866234" } } ], "category": "product_name", "name": "Langflow Desktop" }, { "branches": [ { "category": "product_version_range", "name": "vers:semver/1.0.0|<=1.10.0", "product": { "name": "vers:semver/1.0.0|<=1.10.0", "product_id": "CSAFPID-8518276", "product_identification_helper": { "cpe": "cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/unknown", "product": { "name": "vers:unknown/unknown", "product_id": "CSAFPID-8933436" } } ], "category": "product_name", "name": "Langflow OSS" } ], "category": "vendor", "name": "IBM" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/unknown", "product": { "name": "vers:unknown/unknown", "product_id": "CSAFPID-8901634" } } ], "category": "product_name", "name": "langflow" } ], "category": "vendor", "name": "ibm" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/>=1.0.0|<1.10.1", "product": { "name": "vers:unknown/>=1.0.0|<1.10.1", "product_id": "CSAFPID-8867507", "product_identification_helper": { "cpe": "cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*" } } } ], "category": "product_name", "name": "langflow" } ], "category": "vendor", "name": "langflow" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-9198", "cwe": { "id": "CWE-94", "name": "Improper Control of Generation of Code ('Code Injection')" }, "notes": [ { "category": "description", "text": "IBM Langflow OSS 1.0.0 through 1.10.0 allows unauthenticated attackers to chain /api/v1/auto_login (mints SUPERUSER tokens to any network caller) with /api/v1/validate/code (executes user code via exec()) to achieve full RCE on default Langflow deployments", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-9198" }, { "category": "description", "text": "IBM Langflow OSS 1.0.0 through 1.10.0 allows unauthenticated attackers to chain /api/v1/auto_login (mints SUPERUSER tokens to any network caller) with /api/v1/validate/code (executes user code via exec()) to achieve full RCE on default Langflow deployments", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-9198.json?alt=media" }, { "category": "description", "text": "When configured with AUTO_LOGIN, IBM Langflow OSS 1.0.0 through 1.10.0 allows unauthenticated attackers\nto obtain a SUPERUSER JWT via /api/v1/auto_login and execute arbitrary Python\ncode through /api/v1/validate/code.\n", "title": "nucleitemplates - https://github.com/projectdiscovery/nuclei-templates/raw/1b313d098d331b1c32715de4a97c2081e5e29fa1/http%2Fcves%2F2026%2FCVE-2026-9198.yaml" }, { "category": "description", "text": "IBM Langflow OSS 1.0.0 through 1.10.0 contains a remote code execution caused by chaining /api/v1/auto_login and /api/v1/validate/code endpoints, letting unauthenticated attackers execute arbitrary code remotely, exploit requires no authentication.\n", "title": "nucleitemplates - https://github.com/projectdiscovery/nuclei-templates/raw/680c7d94aeaa4292d31222ff2757305b7cbecf81/http%2Fcves%2F2026%2FCVE-2026-9198.yaml" }, { "category": "description", "text": "IBM Langflow OSS 1.0.0 through 1.10.0 contains a remote code execution caused by chaining /api/v1/auto_login and /api/v1/validate/code endpoints, letting unauthenticated attackers execute arbitrary code remotely, exploit requires no authentication.\n", "title": "nucleitemplates - https://github.com/projectdiscovery/nuclei-templates/raw/345cfba933a336bec62bab79e4f96cd1ddaea7ed/http%2Fcves%2F2026%2FCVE-2026-9198.yaml" }, { "category": "description", "text": "Langflow contains a code injection vulnerability that allows unauthenticated attackers to achieve full remote code execution on default Langflow deployments.\nApply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.", "title": "cisagov - https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json" }, { "category": "description", "text": "IBM Langflow OSS 1.0.0 through 1.10.0 allows unauthenticated attackers to chain /api/v1/auto_login (mints SUPERUSER tokens to any network caller) with /api/v1/validate/code (executes user code via exec()) to achieve full RCE on default Langflow deployments", "title": "euvdkev - https://euvdservices.enisa.europa.eu/api/search?fromScore=0&toScore=10&fromEpss=0&toEpss=100&exploited=true&page=0&size=50" }, { "category": "description", "text": "IBM Langflow OSS 1.0.0 through 1.10.0 allows unauthenticated attackers to chain /api/v1/auto_login (mints SUPERUSER tokens to any network caller) with /api/v1/validate/code (executes user code via exec()) to achieve full RCE on default Langflow deployments", "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/9xxx/CVE-2026-9198.json" }, { "category": "other", "text": "0.57019", "title": "EPSS" }, { "category": "other", "text": "6.6", "title": "NCSC Score" }, { "category": "other", "text": "There is cvss data available from a private source, There is product data available from a private source, The value of the most recent EPSS score, There is news data available from source Bleepingcomputer, There is product data available from source Certbundde", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "Is related to (a version of) an uncommon product, Is related to CWE-94 (Improper Control of Generation of Code ('Code Injection'))", "title": "NCSC Score top decreasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-8518276", "CSAFPID-8866234", "CSAFPID-8867507", "CSAFPID-8901634", "CSAFPID-8932283", "CSAFPID-8933436" ] }, "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-2026-9198" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/9xxx/CVE-2026-9198.json" }, { "category": "external", "summary": "Source - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2410.json" }, { "category": "external", "summary": "Source - ncscclear", "url": "https://advisories.ncsc.nl/advisory?id=NCSC-2026-0251" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-9198.json?alt=media" }, { "category": "external", "summary": "Source - nucleitemplates", "url": "https://github.com/projectdiscovery/nuclei-templates/raw/680c7d94aeaa4292d31222ff2757305b7cbecf81/http%2Fcves%2F2026%2FCVE-2026-9198.yaml" }, { "category": "external", "summary": "Source - nucleitemplates", "url": "https://github.com/projectdiscovery/nuclei-templates/raw/345cfba933a336bec62bab79e4f96cd1ddaea7ed/http%2Fcves%2F2026%2FCVE-2026-9198.yaml" }, { "category": "external", "summary": "Source - nucleitemplates", "url": "https://github.com/projectdiscovery/nuclei-templates/raw/1b313d098d331b1c32715de4a97c2081e5e29fa1/http%2Fcves%2F2026%2FCVE-2026-9198.yaml" }, { "category": "external", "summary": "Source - cisagov", "url": "https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json" }, { "category": "external", "summary": "Source - euvdkev", "url": "https://euvdservices.enisa.europa.eu/api/search?fromScore=0&toScore=10&fromEpss=0&toEpss=100&exploited=true&page=0&size=50" }, { "category": "external", "summary": "Source - securityweek", "url": "https://www.securityweek.com/cisa-warns-of-exploited-langflow-n-central-and-tomcat-vulnerabilities/" }, { "category": "external", "summary": "Source - bleepingcomputer", "url": "https://www.bleepingcomputer.com/news/security/cisa-warns-of-hackers-exploiting-langflow-n-central-apache-tomcat-flaws/" }, { "category": "external", "summary": "Source - ncscclear", "url": "https://vulnerabilities.ncsc.nl/manual/CVE-2026-9198" }, { "category": "external", "summary": "Source - bleepingcomputer", "url": "https://www.bleepingcomputer.com/news/security/critical-langflow-flaw-exploited-to-steal-openai-and-aws-keys/" }, { "category": "external", "summary": "News - securityweek", "url": "https://www.securityweek.com/cisa-warns-of-exploited-langflow-n-central-and-tomcat-vulnerabilities/" }, { "category": "external", "summary": "News - bleepingcomputer", "url": "https://www.bleepingcomputer.com/news/security/cisa-warns-of-hackers-exploiting-langflow-n-central-apache-tomcat-flaws/" }, { "category": "external", "summary": "News - bleepingcomputer", "url": "https://www.bleepingcomputer.com/news/security/critical-langflow-flaw-exploited-to-steal-openai-and-aws-keys/" }, { "category": "external", "summary": "Reference - cisagov; nucleitemplates", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-9198" }, { "category": "external", "summary": "Reference - certbundde; cisagov; cveprojectv5; euvdkev; nucleitemplates; nvd; osv", "url": "https://www.ibm.com/support/pages/node/7278927" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; osv", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-9198" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2410.json" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2410" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://www.ibm.com/support/pages/node/7278920" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://www.ibm.com/support/pages/node/7278921" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://www.ibm.com/support/pages/node/7278922" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://www.ibm.com/support/pages/node/7278923" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://www.ibm.com/support/pages/node/7278924" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://www.ibm.com/support/pages/node/7278925" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://www.ibm.com/support/pages/node/7278926" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://www.ibm.com/support/pages/node/7278929" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://www.ibm.com/support/pages/node/7278930" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://www.ibm.com/support/pages/node/7278931" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://www.ibm.com/support/pages/node/7278932" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://www.ibm.com/support/pages/node/7278933" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://www.ibm.com/support/pages/node/7278934" }, { "category": "external", "summary": "Reference - nucleitemplates", "url": "https://github.com/0xdak/CVE-2026-9198_exploit" }, { "category": "external", "summary": "Reference - nucleitemplates", "url": "https://github.com/ywh-jfellus/CVE-2026-9198" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL" }, "products": [ "CSAFPID-8518276", "CSAFPID-8866234", "CSAFPID-8867507", "CSAFPID-8901634", "CSAFPID-8932283", "CSAFPID-8933436" ] } ], "threats": [ { "category": "exploit_status", "details": "exploited" } ], "title": "CVE-2026-9198" } ] }