8 Feb
2026
8 Feb
'26
10:05 a.m.
We just published security updates to the 1.6 and 1.5 LTS versions of Roundcube Webmail. They both contain fixes for recently reported two security vulnerabilities.
Security fixes:
- Fix CSS injection vulnerability reported by CERT Polska.
- Fix remote image blocking bypass via SVG content reported by
nullcathedral.
See the full changelogs in the release notes on the Github download pages for the updated versions 1.6.13 and 1.5.13.
https://github.com/roundcube/roundcubemail/releases/tag/1.6.13 https://github.com/roundcube/roundcubemail/releases/tag/1.5.13
We strongly recommend to update all productive installations of Roundcube 1.6.x and 1.5.x with this new versions.
--
Alec