{"id":"CVE-2026-114724","state":"PUBLISHED","title":"Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 contains an object injection primitive in rcube_session::unserialize(). A session key prefixed with “!” was treated as having","description":"Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 contains an object injection primitive in rcube_session::unserialize(). A session key prefixed with “!” was treated as having no value, and the reconstructed serialized string was emitted with a key but no corresponding value, desynchronizing the remainder of the input so that following session data was interpreted as a serialized value. This yields a PHP object injection primitive for an attacker able to influence stored session data. Upstream fixed this in the commit “Fix object injection primitive in rcube_session::unserialize() via “!”-prefixed session keys”, which rejects such keys.","publishedAt":"2026-10-22T01:48:23.338Z","updatedAt":"2026-10-28T19:02:03.045Z","severity":{"score":7.4,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"mitre"},"assigner":"mitre","products":["Roundcube Webmail"],"affected":[{"vendor":"Roundcube","product":"Webmail","defaultStatus":"unaffected","versions":[{"version":"1.6.0","status":"affected","lessThan":"1.6.20","versionType":"semver"},{"version":"1.7.0","status":"affected","lessThan":"1.7.5","versionType":"semver"}],"repo":"https://github.com/roundcube/roundcubemail/"}],"references":["https://bugs.debian.org/1151279","https://github.com/roundcube/roundcubemail/commit/93284f3f0e13f99af37fc3b81861e142eea8a922","https://roundcube.net/news/2026/10/19/security-updates-1.6.20-and-1.7.5","https://github.com/roundcube/roundcubemail/releases/tag/1.7.5","https://github.com/roundcube/roundcubemail/releases/tag/1.6.20","https://github.com/roundcube/roundcubemail/commit/833770d3d3c35cfde74cc2614d368f25a75b6f99"],"weaknesses":["CWE-502"],"ingestedAt":"2026-10-29T20:10:43.281Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/114xxx/CVE-2026-114724.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-114724","state":"PUBLISHED","datePublished":"2026-10-22T01:48:23.338Z","dateUpdated":"2026-10-28T19:02:03.045Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2026-10-22T01:48:22.989Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 contains an object injection primitive in rcube_session::unserialize(). 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