{ "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-2026-29085", "tracking": { "current_release_date": "2026-03-31T12:09:42.555945Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-29085", "initial_release_date": "2026-03-04T20:39:49.272047Z", "revision_history": [ { "date": "2026-03-04T20:39:49.272047Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (3).| CWES updated (1)." }, { "date": "2026-03-04T20:39:51.441606Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-03-04T22:39:27.976491Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| References created (2).| CWES updated (1)." }, { "date": "2026-03-04T22:39:30.353321Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-03-04T23:24:44.498830Z", "number": "5", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-03-04T23:24:51.531977Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-03-05T00:20:52.735362Z", "number": "7", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| References created (2).| CWES updated (1)." }, { "date": "2026-03-05T14:12:37.035380Z", "number": "8", "summary": "Source created.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-05T14:12:39.009056Z", "number": "9", "summary": "NCSC Score updated." }, { "date": "2026-03-05T16:16:06.215798Z", "number": "10", "summary": "References created (1)." }, { "date": "2026-03-05T16:39:04.252315Z", "number": "11", "summary": "Unknown change." }, { "date": "2026-03-05T18:20:57.626313Z", "number": "12", "summary": "References created (1)." }, { "date": "2026-03-06T18:25:35.069980Z", "number": "13", "summary": "Products connected (1).| Product Identifiers created (1)." }, { "date": "2026-03-06T18:25:37.404854Z", "number": "14", "summary": "NCSC Score updated." }, { "date": "2026-03-20T09:35:40.462206Z", "number": "15", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-20T09:35:42.402043Z", "number": "16", "summary": "NCSC Score updated." }, { "date": "2026-03-31T12:05:55.105121Z", "number": "17", "summary": "Source connected.| CVE status created. (valid)| Products connected (1).| References created (3)." }, { "date": "2026-03-31T12:05:57.917482Z", "number": "18", "summary": "NCSC Score updated." } ], "status": "interim", "version": "18" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<13.0.7.0", "product": { "name": "vers:unknown/<13.0.7.0", "product_id": "CSAFPID-5963615" } } ], "category": "product_name", "name": "App Connect Enterprise" } ], "category": "vendor", "name": "IBM" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<4.12.4", "product": { "name": "vers:unknown/<4.12.4", "product_id": "CSAFPID-5767222", "product_identification_helper": { "cpe": "cpe:2.3:a:hono:hono:*:*:*:*:*:node.js:*:*" } } } ], "category": "product_name", "name": "Hono" } ], "category": "vendor", "name": "Hono" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<4.12.4", "product": { "name": "vers:unknown/<4.12.4", "product_id": "CSAFPID-5759408" } }, { "category": "product_version_range", "name": "vers:unknown/>=0|<4.12.4", "product": { "name": "vers:unknown/>=0|<4.12.4", "product_id": "CSAFPID-5759799" } } ], "category": "product_name", "name": "hono" } ], "category": "vendor", "name": "honojs" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-29085", "notes": [ { "category": "description", "text": "## Summary\n\nWhen using `streamSSE()` in Streaming Helper, the `event`, `id`, and `retry` fields were not validated for carriage return (`\\r`) or newline (`\\n`) characters.\n\nBecause the SSE protocol uses line breaks as field delimiters, this could allow injection of additional SSE fields within the same event frame if untrusted input was passed into these fields.\n\n## Details\n\nThe SSE helper builds event frames by joining lines with `\\n`. While multi-line `data:` fields are handled according to the SSE specification, the `event`, `id`, and `retry` fields previously allowed raw values without rejecting embedded CR/LF characters.\n\nIncluding CR/LF in these control fields could allow unintended additional fields (such as `data:`, `id:`, or `retry:`) to be injected into the event stream.\n\nThe issue has been fixed by rejecting CR/LF characters in these fields.\n\n## Impact\n\nAn attacker could manipulate the structure of SSE event frames if an application passed user-controlled input directly into `event`, `id`, or `retry`.\n\nDepending on application behavior, this could result in injected SSE fields or altered event stream handling. Applications that render `e.data` in an unsafe manner (for example, using `innerHTML`) could potentially expose themselves to client-side script injection.\n\nThis issue affects applications that rely on the SSE helper to enforce protocol-level constraints.", "title": "github - https://github.com/advisories/GHSA-p6xx-57qc-3wxr" }, { "category": "description", "text": "Hono is a Web application framework that provides support for any JavaScript runtime. Prior to version 4.12.4, when using streamSSE() in Streaming Helper, the event, id, and retry fields were not validated for carriage return (\\r) or newline (\\n) characters. Because the SSE protocol uses line breaks as field delimiters, this could allow injection of additional SSE fields within the same event frame if untrusted input was passed into these fields. This issue has been patched in version 4.12.4.", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-29085" }, { "category": "description", "text": "Hono is a Web application framework that provides support for any JavaScript runtime. Prior to version 4.12.4, when using streamSSE() in Streaming Helper, the event, id, and retry fields were not validated for carriage return (\\r) or newline (\\n) characters. Because the SSE protocol uses line breaks as field delimiters, this could allow injection of additional SSE fields within the same event frame if untrusted input was passed into these fields. This issue has been patched in version 4.12.4.", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-29085" }, { "category": "description", "text": "## Summary\n\nWhen using `streamSSE()` in Streaming Helper, the `event`, `id`, and `retry` fields were not validated for carriage return (`\\r`) or newline (`\\n`) characters.\n\nBecause the SSE protocol uses line breaks as field delimiters, this could allow injection of additional SSE fields within the same event frame if untrusted input was passed into these fields.\n\n## Details\n\nThe SSE helper builds event frames by joining lines with `\\n`. While multi-line `data:` fields are handled according to the SSE specification, the `event`, `id`, and `retry` fields previously allowed raw values without rejecting embedded CR/LF characters.\n\nIncluding CR/LF in these control fields could allow unintended additional fields (such as `data:`, `id:`, or `retry:`) to be injected into the event stream.\n\nThe issue has been fixed by rejecting CR/LF characters in these fields.\n\n## Impact\n\nAn attacker could manipulate the structure of SSE event frames if an application passed user-controlled input directly into `event`, `id`, or `retry`.\n\nDepending on application behavior, this could result in injected SSE fields or altered event stream handling. Applications that render `e.data` in an unsafe manner (for example, using `innerHTML`) could potentially expose themselves to client-side script injection.\n\nThis issue affects applications that rely on the SSE helper to enforce protocol-level constraints.", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/npm%2FGHSA-p6xx-57qc-3wxr.json?alt=media" }, { "category": "other", "text": "0.00053", "title": "EPSS" }, { "category": "other", "text": "4.4", "title": "NCSC Score" }, { "category": "other", "text": "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", "title": "NCSC Score top decreasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-5759408", "CSAFPID-5759799", "CSAFPID-5767222", "CSAFPID-5963615" ] }, "references": [ { "category": "external", "summary": "Source - github", "url": "https://github.com/advisories/GHSA-p6xx-57qc-3wxr" }, { "category": "external", "summary": "Source raw - github", "url": "https://api.github.com/advisories/GHSA-p6xx-57qc-3wxr" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-29085" }, { "category": "external", "summary": "Source raw - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/29xxx/CVE-2026-29085.json" }, { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-29085" }, { "category": "external", "summary": "Source raw - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-29085" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/npm%2FGHSA-p6xx-57qc-3wxr.json?alt=media" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-29085" }, { "category": "external", "summary": "Source raw - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0933.json" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv", "url": "https://github.com/honojs/hono/security/advisories/GHSA-p6xx-57qc-3wxr" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv", "url": "https://github.com/honojs/hono/commit/f4123ed9ea3c7c52380cc99a079a4d773838846e" }, { "category": "external", "summary": "Reference - github", "url": "https://github.com/advisories/GHSA-p6xx-57qc-3wxr" }, { "category": "external", "summary": "Reference - github; osv", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-29085" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0933.json" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0933" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://www.ibm.com/support/pages/node/7268023" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM" }, "products": [ "CSAFPID-5759408", "CSAFPID-5759799", "CSAFPID-5767222", "CSAFPID-5963615" ] } ], "title": "CVE-2026-29085" } ] }