CVE-2026-74997
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 …
Published: 2026-08-17 · CVSS: 8.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7