CVE-2026-74997
Fixed in a distro release EPSS 1%CVSS 8.8
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the cmd_learn driver of the markasjunk plugin is subject to remote code execution via crafted placeholder replacement values. This issue only affects Roundcube instances using the markasjunk plugin with its cmd_learn driver.
Products: roundcube webmail
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | roundcube | 1.6.5+dfsg-1+deb12u11 |
| Debian 13 | roundcube | 1.6.18+dfsg-0+deb13u1 |
| Debian 14 | roundcube | 1.6.18+dfsg-1 |
| Ubuntu 26.10 | roundcube | no fix |
| Ubuntu Pro 16.04 LTS | roundcube | no fix |
| Ubuntu Pro 18.04 LTS | roundcube | no fix |
| Ubuntu Pro 20.04 LTS | roundcube | no fix |
| Ubuntu Pro 22.04 LTS | roundcube | no fix |
| Ubuntu Pro 24.04 LTS | roundcube | no fix |
| Ubuntu Pro 26.04 LTS | roundcube | no fix |
| openSUSE Tumbleweed | roundcubemail | 1.6.19-1.1 |