{"id":"CVE-2026-91133","state":"PUBLISHED","title":"Discourse: Escape LIKE metacharacters in upload paths to prevent disclosure","description":"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.","publishedAt":"2026-09-24T16:53:00.147Z","updatedAt":"2026-09-24T17:12:50.099Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["discourse discourse"],"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"}]}],"references":["https://github.com/discourse/discourse/security/advisories/GHSA-8hxh-573g-52gx","https://github.com/discourse/discourse/pull/42882","https://github.com/discourse/discourse/commit/113c34d433d564bc69642649d501251a7e820b52","https://github.com/discourse/discourse/commit/20c48bef712ee3edd4f7af58ca1123cb0c16ef6f","https://github.com/discourse/discourse/commit/a04cab107a9f57939456181c4b082d0a34ec39bd","https://github.com/discourse/discourse/commit/cb3ca8420fcc7aba334effd011cf41943a336fa6"],"weaknesses":["CWE-943"],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/91xxx/CVE-2026-91133.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-91133","state":"PUBLISHED","datePublished":"2026-09-24T16:53:00.147Z","dateUpdated":"2026-09-24T17:12:50.099Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-09-14T19:36:48.844Z"},"containers":{"cna":{"title":"Discourse: Escape LIKE metacharacters in upload paths to prevent disclosure","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."}],"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"}]}],"references":[{"url":"https://github.com/discourse/discourse/security/advisories/GHSA-8hxh-573g-52gx","name":"https://github.com/discourse/discourse/security/advisories/GHSA-8hxh-573g-52gx","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/discourse/discourse/pull/42882","name":"https://github.com/discourse/discourse/pull/42882","tags":["x_refsource_MISC"]},{"url":"https://github.com/discourse/discourse/commit/113c34d433d564bc69642649d501251a7e820b52","name":"https://github.com/discourse/discourse/commit/113c34d433d564bc69642649d501251a7e820b52","tags":["x_refsource_MISC"]},{"url":"https://github.com/discourse/discourse/commit/20c48bef712ee3edd4f7af58ca1123cb0c16ef6f","name":"https://github.com/discourse/discourse/commit/20c48bef712ee3edd4f7af58ca1123cb0c16ef6f","tags":["x_refsource_MISC"]},{"url":"https://github.com/discourse/discourse/commit/a04cab107a9f57939456181c4b082d0a34ec39bd","name":"https://github.com/discourse/discourse/commit/a04cab107a9f57939456181c4b082d0a34ec39bd","tags":["x_refsource_MISC"]},{"url":"https://github.com/discourse/discourse/commit/cb3ca8420fcc7aba334effd011cf41943a336fa6","name":"https://github.com/discourse/discourse/commit/cb3ca8420fcc7aba334effd011cf41943a336fa6","tags":["x_refsource_MISC"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-943","lang":"en","description":"CWE-943: Improper Neutralization of Special Elements in Data Query Logic","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-09-24T16:53:00.147Z"},"source":{"advisory":"GHSA-8hxh-573g-52gx","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-24T17:12:50.099Z"}}]}}}