{"id":"CVE-2026-114720","aliases":["DEBIAN-CVE-2026-114720","EUVD-2026-107885","GHSA-3p38-q93v-93w8","UBUNTU-CVE-2026-114720"],"status":"published","title":"Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an IMAP command injection...","description":"Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an IMAP command injection vulnerability. A remote authenticated attacker can exploit this via CRLF sequences injected into the _flag parameter of the mail/mark action to execute arbitrary IMAP commands. Upstream fixed this in the commit “Fix IMAP command injection via CRLF in `_flag` parameter of mail/mark action”, which rejects flags containing control, whitespace and IMAP-special characters.","severity":{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00794,"percentile":0.56876,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-93"],"published":"2026-10-22T01:32:44Z","modified":"2026-11-11T10:30:29Z","fixes":[{"ecosystem":"Debian:13","package":"roundcube","fixed_in":["1.6.20+dfsg-0+deb13u1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"roundcube","fixed_in":["1.6.20+dfsg-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"roundcube","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.1+dfsg-1","1.6.10+dfsg-1","1.6.10+dfsg-2","1.6.11+dfsg-1","1.6.12+dfsg-1","1.6.13+dfsg-1","1.6.14+dfsg-1","1.6.15+dfsg-1","1.6.16+dfsg-1","1.6.17+dfsg-1","1.6.18+dfsg-1","1.6.19+dfsg-1","1.6.2+dfsg-1","1.6.20+dfsg-1","1.6.3+dfsg-1","1.6.3+dfsg-1~deb12u1","1.6.3+dfsg-2","1.6.4+dfsg-1","1.6.4+dfsg-1~deb12u1","1.6.5+dfsg-1","1.6.5+dfsg-1+deb12u10","1.6.5+dfsg-1+deb12u11","1.6.5+dfsg-1+deb12u12","1.6.5+dfsg-1+deb12u2","1.6.5+dfsg-1+deb12u3","1.6.5+dfsg-1+deb12u4","1.6.5+dfsg-1+deb12u5","1.6.5+dfsg-1+deb12u6","1.6.5+dfsg-1+deb12u7","1.6.5+dfsg-1+deb12u8","1.6.5+dfsg-1+deb12u9","1.6.5+dfsg-1~deb12u1","1.6.6+dfsg-1","1.6.6+dfsg-2","1.6.7+dfsg-1","1.6.8+dfsg-1","1.6.8+dfsg-2","1.6.9+dfsg-1","1.6.9+dfsg-2"]},{"source":"osv","ecosystem":"Debian:13","package":"roundcube","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.20+dfsg-0+deb13u1"}]}],"versions":["1.6.11+dfsg-1","1.6.12+dfsg-0+deb13u1","1.6.12+dfsg-1","1.6.13+dfsg-0+deb13u1","1.6.13+dfsg-1","1.6.14+dfsg-1","1.6.15+dfsg-0+deb13u1","1.6.15+dfsg-1","1.6.16+dfsg-0+deb13u1","1.6.16+dfsg-1","1.6.17+dfsg-0+deb13u1","1.6.17+dfsg-1","1.6.18+dfsg-0+deb13u1","1.6.18+dfsg-1","1.6.19+dfsg-0+deb13u1","1.6.19+dfsg-1"]},{"source":"osv","ecosystem":"Debian:14","package":"roundcube","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.20+dfsg-1"}]}],"versions":["1.6.11+dfsg-1","1.6.12+dfsg-1","1.6.13+dfsg-1","1.6.14+dfsg-1","1.6.15+dfsg-1","1.6.16+dfsg-1","1.6.17+dfsg-1","1.6.18+dfsg-1","1.6.19+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"roundcube","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.1+dfsg.1-2","1.1.2+dfsg.1-5","1.1.3+dfsg.1-1","1.1.4+dfsg.1-1","1.2~beta+dfsg.1-0ubuntu1","1.2~beta+dfsg.1-0ubuntu1+esm1","1.2~beta+dfsg.1-0ubuntu1+esm2","1.2~beta+dfsg.1-0ubuntu1+esm3","1.2~beta+dfsg.1-0ubuntu1+esm4","1.2~beta+dfsg.1-0ubuntu1+esm5","1.2~beta+dfsg.1-0ubuntu1+esm6","1.2~beta+dfsg.1-0ubuntu1+esm7","1.2~beta+dfsg.1-0ubuntu1+esm8"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"roundcube","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.0+dfsg.1-1","1.3.1+dfsg.1-1","1.3.3+dfsg.1-1","1.3.3+dfsg.1-2","1.3.6+dfsg.1-1","1.3.6+dfsg.1-1ubuntu0.1~esm1","1.3.6+dfsg.1-1ubuntu0.1~esm2","1.3.6+dfsg.1-1ubuntu0.1~esm3","1.3.6+dfsg.1-1ubuntu0.1~esm4","1.3.6+dfsg.1-1ubuntu0.1~esm5","1.3.6+dfsg.1-1ubuntu0.1~esm6","1.3.6+dfsg.1-1ubuntu0.1~esm7","1.3.6+dfsg.1-1ubuntu0.1~esm8"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"roundcube","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.8+dfsg.1-2","1.3.10+dfsg.1-1","1.4.1+dfsg.1-2","1.4.2+dfsg.1-1","1.4.2+dfsg.1-2","1.4.3+dfsg.1-1","1.4.3+dfsg.1-1ubuntu0.1~esm1","1.4.3+dfsg.1-1ubuntu0.1~esm2","1.4.3+dfsg.1-1ubuntu0.1~esm3","1.4.3+dfsg.1-1ubuntu0.1~esm4","1.4.3+dfsg.1-1ubuntu0.1~esm5","1.4.3+dfsg.1-1ubuntu0.1~esm6","1.4.3+dfsg.1-1ubuntu0.1~esm7","1.4.3+dfsg.1-1ubuntu0.1~esm8"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"roundcube","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.11+dfsg.1-4","1.5.0+dfsg.1-2","1.5.0+dfsg.1-2ubuntu0.1~esm1","1.5.0+dfsg.1-2ubuntu0.1~esm2","1.5.0+dfsg.1-2ubuntu0.1~esm3","1.5.0+dfsg.1-2ubuntu0.1~esm4","1.5.0+dfsg.1-2ubuntu0.1~esm5","1.5.0+dfsg.1-2ubuntu0.1~esm6"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"roundcube","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.2+dfsg-1","1.6.4+dfsg-1","1.6.5+dfsg-1","1.6.6+dfsg-1","1.6.6+dfsg-2","1.6.6+dfsg-2ubuntu0.1","1.6.6+dfsg-2ubuntu0.1+esm1","1.6.6+dfsg-2ubuntu0.1+esm2","1.6.6+dfsg-2ubuntu0.1+esm3"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"roundcube","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.11+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:26.04:LTS","package":"roundcube","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.11+dfsg-1","1.6.11+dfsg-1ubuntu0.26.04.1~esm1"]}],"products":[{"vendor":"bulwarkmail","product":"webmail"},{"vendor":"roundcube","product":"webmail"}],"references":[{"url":"https://bugs.debian.org/1151279","tags":["issue-tracking","third-party-advisory","Third Party Advisory","Mailing List","report"]},{"url":"https://github.com/roundcube/roundcubemail/commit/6c3c1897c11e193e47fccaabc87e9ca2a0a73e51","tags":["patch","Patch","fix"]},{"url":"https://roundcube.net/news/2026/10/19/security-updates-1.6.20-and-1.7.5","tags":["vendor-advisory","release-notes","Issue Tracking","advisory","report"]},{"url":"https://github.com/roundcube/roundcubemail/releases/tag/1.7.5","tags":["release-notes","patch","Release Notes","fix"]},{"url":"https://github.com/roundcube/roundcubemail/releases/tag/1.6.20","tags":["release-notes","patch","Release Notes","fix"]},{"url":"https://github.com/roundcube/roundcubemail/commit/242c6d6a150c850bd96d20d400261e71f8d11f9b","tags":["patch","Patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-114720","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-3p38-q93v-93w8"},{"url":"https://github.com/roundcube/roundcubemail/","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/114xxx/CVE-2026-114720.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-114720","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-114720","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-114720","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-114720","description":"Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an IMAP command injection vulnerability. A remote authenticated attacker can exploit this via CRLF sequences injected into the _flag parameter of the mail/mark action to execute arbitrary IMAP commands. Upstream fixed this in the commit “Fix IMAP command injection via CRLF in `_flag` parameter of mail/mark action”, which rejects flags containing control, whitespace and IMAP-special characters.","status":"published","published":"2026-10-22T01:32:44.426Z","modified":"2026-10-26T16:46:46.479Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-93"],"updated_at":"2026-11-02T13:39:50.160666Z"}],"euvd":[{"id":"EUVD-2026-107885","description":"Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an IMAP command injection vulnerability. A remote authenticated attacker can exploit this via CRLF sequences injected into the _flag parameter of the mail/mark action to execute arbitrary IMAP commands. Upstream fixed this in the commit “Fix IMAP command injection via CRLF in `_flag` parameter of mail/mark action”, which rejects flags containing control, whitespace and IMAP-special characters.","status":"published","published":"2026-10-22T01:32:44Z","modified":"2026-10-26T16:46:46Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T16:59:29.132426Z"}],"ghsa":[{"id":"GHSA-3p38-q93v-93w8","title":"Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an IMAP command injection...","description":"Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an IMAP command injection vulnerability. A remote authenticated attacker can exploit this via CRLF sequences injected into the _flag parameter of the mail/mark action to execute arbitrary IMAP commands. Upstream fixed this in the commit “Fix IMAP command injection via CRLF in `_flag` parameter of mail/mark action”, which rejects flags containing control, whitespace and IMAP-special characters.","status":"published","published":"2026-10-22T03:33:37Z","modified":"2026-10-22T03:33:43Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N","level":"high"}],"cwes":["CWE-93"],"updated_at":"2026-11-02T15:14:14.973906Z"}],"nvd":[{"id":"CVE-2026-114720","description":"Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an IMAP command injection vulnerability. A remote authenticated attacker can exploit this via CRLF sequences injected into the _flag parameter of the mail/mark action to execute arbitrary IMAP commands. Upstream fixed this in the commit “Fix IMAP command injection via CRLF in `_flag` parameter of mail/mark action”, which rejects flags containing control, whitespace and IMAP-special characters.","status":"published","published":"2026-10-22T02:16:59.717Z","modified":"2026-10-30T14:59:14.603Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-93"],"updated_at":"2026-11-02T14:13:02.371082Z"}],"osv":[{"id":"CVE-2026-114720","description":"Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an IMAP command injection vulnerability. A remote authenticated attacker can exploit this via CRLF sequences injected into the _flag parameter of the mail/mark action to execute arbitrary IMAP commands. Upstream fixed this in the commit “Fix IMAP command injection via CRLF in `_flag` parameter of mail/mark action”, which rejects flags containing control, whitespace and IMAP-special characters.","status":"published","published":"2026-10-22T01:32:44.426Z","modified":"2026-11-11T10:30:29.058432963Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N","level":"high"}],"cwes":["CWE-93"],"updated_at":"2026-11-11T11:06:39.965076Z"},{"id":"DEBIAN-CVE-2026-114720","description":"Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an IMAP command injection vulnerability. A remote authenticated attacker can exploit this via CRLF sequences injected into the _flag parameter of the mail/mark action to execute arbitrary IMAP commands. Upstream fixed this in the commit “Fix IMAP command injection via CRLF in `_flag` parameter of mail/mark action”, which rejects flags containing control, whitespace and IMAP-special characters.","status":"published","published":"2026-10-22T02:16:59.717Z","modified":"2026-10-31T09:47:24.297880125Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:50.923612Z"},{"id":"UBUNTU-CVE-2026-114720","description":"Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an IMAP command injection vulnerability. A remote authenticated attacker can exploit this via CRLF sequences injected into the _flag parameter of the mail/mark action to execute arbitrary IMAP commands. Upstream fixed this in the commit “Fix IMAP command injection via CRLF in `_flag` parameter of mail/mark action”, which rejects flags containing control, whitespace and IMAP-special characters.","status":"published","published":"2026-10-22T02:16:00Z","modified":"2026-10-28T20:17:11.260529864Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T16:55:59.591851Z"}]}}