{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-25642", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-02-04T05:15:41.791Z", "datePublished": "2026-02-06T19:23:59.991Z", "dateUpdated": "2026-02-06T20:20:58.376Z"}, "containers": {"cna": {"title": "HedgeDoc security headers for uploaded files were not working", "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "lang": "en", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/hedgedoc/hedgedoc/security/advisories/GHSA-x74j-jmf9-534w", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/hedgedoc/hedgedoc/security/advisories/GHSA-x74j-jmf9-534w"}, {"name": "https://github.com/hedgedoc/hedgedoc/commit/74daa0e7a1cbfafd9aeb255eaf064dfe47cd401c", "tags": ["x_refsource_MISC"], "url": "https://github.com/hedgedoc/hedgedoc/commit/74daa0e7a1cbfafd9aeb255eaf064dfe47cd401c"}, {"name": "https://github.com/hedgedoc/hedgedoc/commit/b930fe04cee92cd4723044030bb59c36781c7137", "tags": ["x_refsource_MISC"], "url": "https://github.com/hedgedoc/hedgedoc/commit/b930fe04cee92cd4723044030bb59c36781c7137"}, {"name": "https://github.com/hedgedoc/hedgedoc/releases/tag/1.10.6", "tags": ["x_refsource_MISC"], "url": "https://github.com/hedgedoc/hedgedoc/releases/tag/1.10.6"}], "affected": [{"vendor": "hedgedoc", "product": "hedgedoc", "versions": [{"version": "< 1.10.6", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-02-06T19:23:59.991Z"}, "descriptions": [{"lang": "en", "value": "HedgeDoc is an open source, real-time, collaborative, markdown notes application. Prior to 1.10.6, files served below the /uploads/ endpoint did not use a more strict security-policy. This resulted in a too open Content-Security-Policy and furthermore opened the possibility to host malicious interactive web content (such as fake login forms) using SVG files. This vulnerability is fixed in 1.10.6."}], "source": {"advisory": "GHSA-x74j-jmf9-534w", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-02-06T20:20:51.864945Z", "id": "CVE-2026-25642", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-06T20:20:58.376Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "HedgeDoc is an open source, real-time, collaborative, markdown notes application. Prior to 1.10.6, files served below the /uploads/ endpoint did not use a more strict security-policy. This resulted in a too open Content-Security-Policy and furthermore opened the possibility to host malicious interactive web content (such as fake login forms) using SVG files. This vulnerability is fixed in 1.10.6."}], "id": "CVE-2026-25642", "lastModified": "2026-02-06T20:16:11.437", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-02-06T20:16:11.437", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/hedgedoc/hedgedoc/commit/74daa0e7a1cbfafd9aeb255eaf064dfe47cd401c"}, {"source": "security-advisories@github.com", "url": "https://github.com/hedgedoc/hedgedoc/commit/b930fe04cee92cd4723044030bb59c36781c7137"}, {"source": "security-advisories@github.com", "url": "https://github.com/hedgedoc/hedgedoc/releases/tag/1.10.6"}, {"source": "security-advisories@github.com", "url": "https://github.com/hedgedoc/hedgedoc/security/advisories/GHSA-x74j-jmf9-534w"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Primary"}]}

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