CVE-2026-114732
CVE-2026-114732
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 improper authentication vulnerability in multi-host installations. When a user logs in with an alias address, rcube_user::query() matched the address against identity records without qualifying the lookup by IMAP host, so a login could be resolved to a user account belonging to a different IMAP host. Upstream fixed this in the commit “Fix bug where an alias login wasn’t qualified by IMAP host”.
CVSS 6.8 · Medium · EPSS 0.4% · 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/453c413d6851cf603bebdb15e58381f5ef9b8094
- 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/cb235cbfef88cbf78236dc67d3b667bf3dc61ddd
- https://nvd.nist.gov/vuln/detail/CVE-2026-114732