{"id":"CVE-2026-53497","aliases":["EUVD-2026-64172","GHSA-rv3j-r4h5-q3cj"],"status":"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.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00396,"percentile":0.34148,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200","CWE-359"],"published":"2026-08-21T21:19:04Z","modified":"2026-10-28T02:30:54Z","products":[{"vendor":"cenodude","product":"crosswatch"}],"references":[{"url":"https://github.com/cenodude/CrossWatch/security/advisories/GHSA-rv3j-r4h5-q3cj","tags":["x_refsource_CONFIRM","exploit","advisory"]},{"url":"https://github.com/cenodude/CrossWatch/releases/tag/v0.9.21","tags":["x_refsource_MISC","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53497.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53497","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-53497","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.","status":"published","published":"2026-08-21T21:19:04.535Z","modified":"2026-08-26T17:43:46.633Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-200","CWE-359"],"updated_at":"2026-11-02T14:19:59.761005Z"}],"euvd":[{"id":"EUVD-2026-64172","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.","status":"published","published":"2026-08-21T21:19:04Z","modified":"2026-08-26T17:43:46Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T18:01:30.08255Z"}],"nvd":[{"id":"CVE-2026-53497","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.","status":"published","published":"2026-08-21T22:16:38.85Z","modified":"2026-10-12T16:10:00.22Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-200","CWE-359"],"updated_at":"2026-11-02T14:12:40.665005Z"}],"osv":[{"id":"CVE-2026-53497","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.","status":"published","published":"2026-08-21T21:19:04.535Z","modified":"2026-10-28T02:30:54.700735871Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-200","CWE-359"],"updated_at":"2026-11-02T15:45:08.132336Z"}]}}