{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-91133", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-09-14T19:36:48.844Z", "datePublished": "2026-09-24T16:53:00.147Z", "dateUpdated": "2026-09-24T17:12:50.099Z"}, "containers": {"cna": {"title": "Discourse: Escape LIKE metacharacters in upload paths to prevent disclosure", "problemTypes": [{"descriptions": [{"cweId": "CWE-943", "lang": "en", "description": "CWE-943: Improper Neutralization of Special Elements in Data Query Logic", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/discourse/discourse/security/advisories/GHSA-8hxh-573g-52gx", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/discourse/discourse/security/advisories/GHSA-8hxh-573g-52gx"}, {"name": "https://github.com/discourse/discourse/pull/42882", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/pull/42882"}, {"name": "https://github.com/discourse/discourse/commit/113c34d433d564bc69642649d501251a7e820b52", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/commit/113c34d433d564bc69642649d501251a7e820b52"}, {"name": "https://github.com/discourse/discourse/commit/20c48bef712ee3edd4f7af58ca1123cb0c16ef6f", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/commit/20c48bef712ee3edd4f7af58ca1123cb0c16ef6f"}, {"name": "https://github.com/discourse/discourse/commit/a04cab107a9f57939456181c4b082d0a34ec39bd", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/commit/a04cab107a9f57939456181c4b082d0a34ec39bd"}, {"name": "https://github.com/discourse/discourse/commit/cb3ca8420fcc7aba334effd011cf41943a336fa6", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/commit/cb3ca8420fcc7aba334effd011cf41943a336fa6"}], "affected": [{"vendor": "discourse", "product": "discourse", "versions": [{"version": "< 2026.8.0", "status": "affected"}, {"version": ">= 2026.7.0-latest, < 2026.7.2", "status": "affected"}, {"version": ">= 2026.6.0-latest, < 2026.6.3", "status": "affected"}, {"version": ">= 2026.1.0-latest, < 2026.1.8", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-24T16:53:00.147Z"}, "descriptions": [{"lang": "en", "value": "Discourse is an open-source discussion platform. Prior to 2026.1.8, 2026.6.3, 2026.7.2, and 2026.8.0, authenticated users could supply unescaped SQL LIKE metacharacters to upload-resolution patterns, causing wildcard input to select unrelated upload records instead of matching a literal identifier. The affected upload metadata, URL-lookup, and cooked-video-placeholder paths could resolve uploads the user was not authorized to access. This allowed disclosure of restricted metadata, including original filenames and secure-upload paths, without modifying the upload records. This issue is fixed in versions 2026.1.8, 2026.6.3, 2026.7.2, and 2026.8.0."}], "source": {"advisory": "GHSA-8hxh-573g-52gx", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-24T17:12:40.098136Z", "id": "CVE-2026-91133", "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": "2026-09-24T17:12:50.099Z"}}]}}

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{"affected": [{"affectedData": [{"product": "discourse", "vendor": "discourse", "versions": [{"status": "affected", "version": "< 2026.8.0"}, {"status": "affected", "version": ">= 2026.7.0-latest, < 2026.7.2"}, {"status": "affected", "version": ">= 2026.6.0-latest, < 2026.6.3"}, {"status": "affected", "version": ">= 2026.1.0-latest, < 2026.1.8"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Discourse is an open-source discussion platform. Prior to 2026.1.8, 2026.6.3, 2026.7.2, and 2026.8.0, authenticated users could supply unescaped SQL LIKE metacharacters to upload-resolution patterns, causing wildcard input to select unrelated upload records instead of matching a literal identifier. The affected upload metadata, URL-lookup, and cooked-video-placeholder paths could resolve uploads the user was not authorized to access. This allowed disclosure of restricted metadata, including original filenames and secure-upload paths, without modifying the upload records. This issue is fixed in versions 2026.1.8, 2026.6.3, 2026.7.2, and 2026.8.0."}], "id": "CVE-2026-91133", "lastModified": "2026-09-24T17:17:09.020", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-24T17:17:08.893", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/discourse/discourse/commit/113c34d433d564bc69642649d501251a7e820b52"}, {"source": "security-advisories@github.com", "url": "https://github.com/discourse/discourse/commit/20c48bef712ee3edd4f7af58ca1123cb0c16ef6f"}, {"source": "security-advisories@github.com", "url": "https://github.com/discourse/discourse/commit/a04cab107a9f57939456181c4b082d0a34ec39bd"}, {"source": "security-advisories@github.com", "url": "https://github.com/discourse/discourse/commit/cb3ca8420fcc7aba334effd011cf41943a336fa6"}, {"source": "security-advisories@github.com", "url": "https://github.com/discourse/discourse/pull/42882"}, {"source": "security-advisories@github.com", "url": "https://github.com/discourse/discourse/security/advisories/GHSA-8hxh-573g-52gx"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-943"}], "source": "security-advisories@github.com", "type": "Primary"}]}

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