{"id":"CVE-2026-53497","state":"PUBLISHED","title":"CrossWatch: Unauthenticated /api/app-auth/status endpoint leaks active session metadata (IP, User-Agent, session IDs)","description":"CrossWatch (CW) is a synchronization engine. Prior to version 0.9.21, GET /api/app-auth/status is accessible without authentication and returns the other_sessions array, which exposes metadata of all active sessions — including originating IP addresses, User-Agent strings, internal session IDs, and creation/expiry timestamps. Any unauthenticated network attacker can enumerate this data without credentials. Version 0.9.21 fixes the issue.","publishedAt":"2026-08-21T21:19:04.535Z","updatedAt":"2026-08-26T17:43:46.633Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["cenodude CrossWatch"],"affected":[{"vendor":"cenodude","product":"CrossWatch","versions":[{"version":"< 0.9.21","status":"affected"}]}],"references":["https://github.com/cenodude/CrossWatch/security/advisories/GHSA-rv3j-r4h5-q3cj","https://github.com/cenodude/CrossWatch/releases/tag/v0.9.21"],"weaknesses":["CWE-200","CWE-359"],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/53xxx/CVE-2026-53497.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53497","state":"PUBLISHED","datePublished":"2026-08-21T21:19:04.535Z","dateUpdated":"2026-08-26T17:43:46.633Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-09T17:05:25.059Z"},"containers":{"cna":{"title":"CrossWatch: Unauthenticated /api/app-auth/status endpoint leaks active session metadata (IP, User-Agent, session IDs)","descriptions":[{"lang":"en","value":"CrossWatch (CW) is a synchronization engine. Prior to version 0.9.21, GET /api/app-auth/status is accessible without authentication and returns the other_sessions array, which exposes metadata of all active sessions — including originating IP addresses, User-Agent strings, internal session IDs, and creation/expiry timestamps. Any unauthenticated network attacker can enumerate this data without credentials. Version 0.9.21 fixes the issue."}],"affected":[{"vendor":"cenodude","product":"CrossWatch","versions":[{"version":"< 0.9.21","status":"affected"}]}],"references":[{"url":"https://github.com/cenodude/CrossWatch/security/advisories/GHSA-rv3j-r4h5-q3cj","name":"https://github.com/cenodude/CrossWatch/security/advisories/GHSA-rv3j-r4h5-q3cj","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/cenodude/CrossWatch/releases/tag/v0.9.21","name":"https://github.com/cenodude/CrossWatch/releases/tag/v0.9.21","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/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-359","lang":"en","description":"CWE-359: Exposure of Private Personal Information to an Unauthorized Actor","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-21T21:19:04.535Z"},"source":{"advisory":"GHSA-rv3j-r4h5-q3cj","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/cenodude/CrossWatch/security/advisories/GHSA-rv3j-r4h5-q3cj","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-26T17:43:26.454680Z","id":"CVE-2026-53497","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-26T17:43:46.633Z"}}]}}}