CVE-2026-114720
CVE-2026-114720
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 7.1 · High · EPSS 0.8% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
webmail
- Versions
- ≥ 1.6.0, < 1.6.20: Affected (semver)
- ≥ 1.7.0, < 1.7.5: Affected (semver)
Update to 1.6.20; Update to 1.7.5
roundcube Debian:12
- 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
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
roundcube Debian:13
- 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
- Affected ranges
- ECOSYSTEM: < 1.6.20+dfsg-0+deb13u1
Update to 1.6.20+dfsg-0+deb13u1
roundcube Debian:14
- 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
- Affected ranges
- ECOSYSTEM: < 1.6.20+dfsg-1
Update to 1.6.20+dfsg-1
roundcube Ubuntu:Pro:16.04:LTS
- 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
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
roundcube Ubuntu:Pro:18.04:LTS
- 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
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
roundcube Ubuntu:Pro:20.04:LTS
- 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
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
roundcube Ubuntu:Pro:22.04:LTS
- 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
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
roundcube Ubuntu:Pro:24.04:LTS
- 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
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
roundcube Ubuntu:26.10
- Versions
- 1.6.11+dfsg-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
roundcube Ubuntu:Pro:26.04:LTS
- Versions
- 1.6.11+dfsg-1
- 1.6.11+dfsg-1ubuntu0.26.04.1~esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
Original sources
- https://bugs.debian.org/1151279
- https://github.com/roundcube/roundcubemail/commit/6c3c1897c11e193e47fccaabc87e9ca2a0a73e51
- 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/242c6d6a150c850bd96d20d400261e71f8d11f9b
- https://nvd.nist.gov/vuln/detail/CVE-2026-114720