CVE-2026-48849
CVE-2026-48849
This page contains facts from public vulnerability sources. Check the original advisory before updating.
In Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1, an unsanitized subject field in the draft restored value could lead to stored XSS/HTML/CSS injection on shared mailboxes.
CVSS 4.4 · Medium · EPSS 0.3% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
webmail
- Versions
- ≥ 1.6.0, < 1.6.16: Affected (semver)
- ≥ 1.7.0, < 1.7.1: Affected (semver)
Update to 1.6.16; Update to 1.7.1
roundcube Debian:12
- Versions
- 1.6.1+dfsg-1
- 1.6.2+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+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~deb12u1
- Affected ranges
- ECOSYSTEM: < 1.6.5+dfsg-1+deb12u9
Update to 1.6.5+dfsg-1+deb12u9
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
- Affected ranges
- ECOSYSTEM: < 1.6.16+dfsg-0+deb13u1
Update to 1.6.16+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
- Affected ranges
- ECOSYSTEM: < 1.6.16+dfsg-1
Update to 1.6.16+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:25.10
- Versions
- 1.6.10+dfsg-1
- 1.6.10+dfsg-2
- 1.6.11+dfsg-1
- 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://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1
- https://github.com/roundcube/roundcubemail/releases/tag/1.7.1
- https://github.com/roundcube/roundcubemail/commit/189d30a4890319cd687df959ca9f768a3a613d61
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.16
- https://github.com/roundcube/roundcubemail/commit/a21519187873ce962db029b6ff68e47bd7f3fd8a
- https://nvd.nist.gov/vuln/detail/CVE-2026-48849