{"id":"CVE-2025-26842","aliases":["DEBIAN-CVE-2025-26842","EUVD-2025-14011","GHSA-c2x5-mpj8-v9v9","UBUNTU-CVE-2025-26842"],"status":"published","title":"An issue was discovered in Znuny through 7.1.3. If access to a ticket is not given, the content...","description":"An issue was discovered in Znuny through 7.1.3. If access to a ticket is not given, the content of S/MIME encrypted e-mail messages is visible to users with access to the CommunicationLog.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00369,"percentile":0.31152,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-863"],"published":"2025-05-08T00:00:00Z","modified":"2026-09-01T20:05:45Z","fixes":[{"ecosystem":"Debian:13","package":"znuny","fixed_in":["6.5.13-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"znuny","fixed_in":["6.5.13-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"znuny","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.3.2-3","6.3.3-1","6.3.3-1~bpo11+1","6.3.4-1","6.3.4-1~bpo11+1","6.4.2-1","6.4.2-1~bpo11+1","6.4.2-2","6.4.3-1","6.4.3-1~bpo11+1","6.4.4-1","6.4.5-1","6.4.5-1~bpo11+1","6.4.5-2","6.5.1-1","6.5.10-1","6.5.10-1~bpo12+1","6.5.11-1","6.5.11-1~bpo12+1","6.5.13-1","6.5.14-1","6.5.14-1~bpo12+1","6.5.15-1","6.5.15-2","6.5.15-2~bpo12+1","6.5.16-1","6.5.18-1","6.5.18-1~bpo13+1","6.5.19-1","6.5.20-1","6.5.21-1","6.5.22-1","6.5.22-1~bpo13+1","6.5.23-1","6.5.23-1~bpo13+1","6.5.24-1","6.5.24-1~bpo13+1","6.5.3-1","6.5.3-1~bpo12+1","6.5.4-1","6.5.4-1~bpo12+1","6.5.5-1","6.5.5-1~bpo12+1","6.5.6-1","6.5.6-1~bpo12+1","6.5.8-1","6.5.8-1~bpo12+1","6.5.9-1","6.5.9-1~bpo12+1"]},{"source":"osv","ecosystem":"Debian:13","package":"znuny","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.5.13-1"}]}],"versions":["6.3.2-3","6.3.3-1","6.3.3-1~bpo11+1","6.3.4-1","6.3.4-1~bpo11+1","6.4.2-1","6.4.2-1~bpo11+1","6.4.2-2","6.4.3-1","6.4.3-1~bpo11+1","6.4.4-1","6.4.5-1","6.4.5-1~bpo11+1","6.4.5-2","6.5.1-1","6.5.10-1","6.5.10-1~bpo12+1","6.5.11-1","6.5.11-1~bpo12+1","6.5.3-1","6.5.3-1~bpo12+1","6.5.4-1","6.5.4-1~bpo12+1","6.5.5-1","6.5.5-1~bpo12+1","6.5.6-1","6.5.6-1~bpo12+1","6.5.8-1","6.5.8-1~bpo12+1","6.5.9-1","6.5.9-1~bpo12+1"]},{"source":"osv","ecosystem":"Debian:14","package":"znuny","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.5.13-1"}]}],"versions":["6.3.2-3","6.3.3-1","6.3.3-1~bpo11+1","6.3.4-1","6.3.4-1~bpo11+1","6.4.2-1","6.4.2-1~bpo11+1","6.4.2-2","6.4.3-1","6.4.3-1~bpo11+1","6.4.4-1","6.4.5-1","6.4.5-1~bpo11+1","6.4.5-2","6.5.1-1","6.5.10-1","6.5.10-1~bpo12+1","6.5.11-1","6.5.11-1~bpo12+1","6.5.3-1","6.5.3-1~bpo12+1","6.5.4-1","6.5.4-1~bpo12+1","6.5.5-1","6.5.5-1~bpo12+1","6.5.6-1","6.5.6-1~bpo12+1","6.5.8-1","6.5.8-1~bpo12+1","6.5.9-1","6.5.9-1~bpo12+1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"znuny","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.5.3-1","6.5.4-1","6.5.5-1","6.5.6-1"]}],"products":[{"vendor":"znuny","product":"znuny"}],"references":[{"url":"https://www.znuny.org/en/advisories/zsa-2025-01","tags":["Vendor Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-26842"},{"url":"https://github.com/advisories/GHSA-c2x5-mpj8-v9v9"},{"url":"https://security-tracker.debian.org/tracker/CVE-2025-26842","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2025-26842","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-26842","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2025-26842","description":"An issue was discovered in Znuny through 7.1.3. If access to a ticket is not given, the content of S/MIME encrypted e-mail messages is visible to users with access to the CommunicationLog.","status":"published","published":"2025-05-08T00:00:00Z","modified":"2025-05-08T18:54:47.449Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:32:27.932735Z"}],"euvd":[{"id":"EUVD-2025-14011","description":"An issue was discovered in Znuny through 7.1.3. If access to a ticket is not given, the content of S/MIME encrypted e-mail messages is visible to users with access to the CommunicationLog.","status":"published","published":"2025-05-08T00:00:00Z","modified":"2025-05-08T18:54:47Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T20:32:51.637681Z"}],"ghsa":[{"id":"GHSA-c2x5-mpj8-v9v9","title":"An issue was discovered in Znuny through 7.1.3. If access to a ticket is not given, the content...","description":"An issue was discovered in Znuny through 7.1.3. If access to a ticket is not given, the content of S/MIME encrypted e-mail messages is visible to users with access to the CommunicationLog.","status":"published","published":"2025-05-08T18:30:42Z","modified":"2025-05-08T21:32:55Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:02:12.439359Z"}],"nvd":[{"id":"CVE-2025-26842","description":"An issue was discovered in Znuny through 7.1.3. If access to a ticket is not given, the content of S/MIME encrypted e-mail messages is visible to users with access to the CommunicationLog.","status":"published","published":"2025-05-08T16:15:25.263Z","modified":"2026-06-17T09:02:28.187Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:11:06.085152Z"}],"osv":[{"id":"CVE-2025-26842","description":"An issue was discovered in Znuny through 7.1.3. If access to a ticket is not given, the content of S/MIME encrypted e-mail messages is visible to users with access to the CommunicationLog.","status":"published","published":"2025-05-08T16:15:25.263Z","modified":"2026-04-10T05:23:40.975309Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:47.386092Z"},{"id":"DEBIAN-CVE-2025-26842","description":"An issue was discovered in Znuny through 7.1.3. If access to a ticket is not given, the content of S/MIME encrypted e-mail messages is visible to users with access to the CommunicationLog.","status":"published","published":"2025-05-08T16:15:25.263Z","modified":"2026-09-01T20:05:45.050850907Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:45.870237Z"},{"id":"UBUNTU-CVE-2025-26842","description":"An issue was discovered in Znuny through 7.1.3. If access to a ticket is not given, the content of S/MIME encrypted e-mail messages is visible to users with access to the CommunicationLog.","status":"published","published":"2025-05-08T16:15:00Z","modified":"2025-09-08T17:08:12Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T16:55:26.330196Z"}]}}