Roundcube 1.6.14, 1.5.13

[Erulezz]

Security updates 1.7-rc5, 1.6.14 and 1.5.13 released​

Published: 18 March 2026

• Tags:
• releases
• updates
• security

We just published security updates to the 1.6 and 1.5 LTS versions of Roundcube Webmail, as well as a release candidate for coming 1.7. They contain fixes for recently reported set of security vulnerabilities.

Security fixes​

• Fix pre-auth arbitrary file write via unsafe deserialization in redis/memcache session handler, reported by y0us.
• Fix bug where a password could get changed without providing the old password, reported by flydragon777.
• Fix IMAP Injection + CSRF bypass in mail search, reported by Martila Security Research Team.
• Fix remote image blocking bypass via various SVG animate attributes, reported by nullcathedral.
• Fix remote image blocking bypass via a crafted body background attribute, reported by nullcathedral.
• Fix fixed position mitigation bypass via use of !important, reported by nullcathedral.
• Fix XSS issue in a HTML attachment preview, reported by aikido_security.
• Fix SSRF + Information Disclosure via stylesheet links to a local network hosts, reported by Georgios Tsimpidas (aka Frey), Security Researcher at https://i0.rs/.

See the full changelogs in the release notes on the Github download pages for the updated versions

• 1.7-rc5
• 1.6.14
• 1.5.14.

We strongly recommend to update your productive installations of Roundcube with this new versions.