| Name | CVE-2026-35537 |
| Description | An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. ... |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1131182 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| roundcube (PTS) | bullseye | 1.4.15+dfsg.1-1+deb11u4 | fixed |
| bullseye (security) | 1.4.15+dfsg.1-1+deb11u8 | fixed |
| bookworm | 1.6.5+dfsg-1+deb12u6 | vulnerable |
| bookworm (security) | 1.6.5+dfsg-1+deb12u7 | vulnerable |
| trixie (security), trixie | 1.6.13+dfsg-0+deb13u1 | vulnerable |
| forky, sid | 1.6.15+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| roundcube | source | bullseye | (not affected) | | | |
| roundcube | source | (unstable) | 1.6.14+dfsg-1 | | | 1131182 |
Notes
[bullseye] - roundcube <not-affected> (Vulnerable code introduced later, 1.4.x doesn't use Guzzle)
https://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14
Fixed by: https://github.com/roundcube/roundcubemail/commit/6d586cfa4d8a31f7957f7a445aaedd52592a0e74 (1.7-rc5)
Fixed by: https://github.com/roundcube/roundcubemail/commit/a4ead994d2f0ea92e4a1603196a197e0d5df1620 (1.6.14)
Fixed by: https://github.com/roundcube/roundcubemail/commit/618c5428edc69fb088e7ac6c89e506dd39df3fc2 (1.5.14)