{"id":"CVE-2026-57205","state":"PUBLISHED","title":"SimpleChat: Authenticated users can access other users' profile metadata through user IDOR endpoints","description":"SimpleChat is a secure AI conversation application with personal and group workspaces for document-grounded interactions. Prior to 0.241.203, the authenticated GET /api/user/info/<user_id> and GET /api/user/profile-image/<user_id> endpoints in application/single_app/route_backend_users.py accepted a caller-supplied user_id and read the matching Cosmos DB user-settings document without object-level authorization, allowing a low-privilege authenticated user to retrieve another user's email address, display name, and profile image. This issue is fixed in version 0.241.203.","publishedAt":"2026-07-16T15:12:46.826Z","updatedAt":"2026-07-16T15:25:26.441Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["microsoft simplechat"],"affected":[{"vendor":"microsoft","product":"simplechat","versions":[{"version":"< 0.241.203","status":"affected"}]}],"references":["https://github.com/microsoft/simplechat/security/advisories/GHSA-x2jq-2m5m-65m4","https://github.com/microsoft/simplechat/blob/main/docs/explanation/fixes/USER_PROFILE_IDOR_AUTHORIZATION_FIX.md","https://github.com/microsoft/simplechat/releases/tag/v0.250.001"],"weaknesses":["CWE-200","CWE-639","CWE-862"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/57xxx/CVE-2026-57205.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-57205","state":"PUBLISHED","datePublished":"2026-07-16T15:12:46.826Z","dateUpdated":"2026-07-16T15:25:26.441Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-24T02:00:46.801Z"},"containers":{"cna":{"title":"SimpleChat: Authenticated users can access other users' profile metadata through user IDOR endpoints","descriptions":[{"lang":"en","value":"SimpleChat is a secure AI conversation application with personal and group workspaces for document-grounded interactions. Prior to 0.241.203, the authenticated GET /api/user/info/<user_id> and GET /api/user/profile-image/<user_id> endpoints in application/single_app/route_backend_users.py accepted a caller-supplied user_id and read the matching Cosmos DB user-settings document without object-level authorization, allowing a low-privilege authenticated user to retrieve another user's email address, display name, and profile image. This issue is fixed in version 0.241.203."}],"affected":[{"vendor":"microsoft","product":"simplechat","versions":[{"version":"< 0.241.203","status":"affected"}]}],"references":[{"url":"https://github.com/microsoft/simplechat/security/advisories/GHSA-x2jq-2m5m-65m4","name":"https://github.com/microsoft/simplechat/security/advisories/GHSA-x2jq-2m5m-65m4","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/microsoft/simplechat/blob/main/docs/explanation/fixes/USER_PROFILE_IDOR_AUTHORIZATION_FIX.md","name":"https://github.com/microsoft/simplechat/blob/main/docs/explanation/fixes/USER_PROFILE_IDOR_AUTHORIZATION_FIX.md","tags":["x_refsource_MISC"]},{"url":"https://github.com/microsoft/simplechat/releases/tag/v0.250.001","name":"https://github.com/microsoft/simplechat/releases/tag/v0.250.001","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-200","lang":"en","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-639","lang":"en","description":"CWE-639: Authorization Bypass Through User-Controlled Key","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-862","lang":"en","description":"CWE-862: Missing Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-07-16T15:12:46.826Z"},"source":{"advisory":"GHSA-x2jq-2m5m-65m4","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-16T15:25:17.919840Z","id":"CVE-2026-57205","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":"2026-07-16T15:25:26.441Z"}}]}}}