CVEvulnerability
CVE-2026-74997
8.8 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-08-17
- Last modified
- 2026-09-08
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-78
Description
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.
Affected configurations
• roundcube webmail (>= 1.6.0 < 1.6.18)
• roundcube webmail (>= 1.7.0 < 1.7.3)
Related
Weakness · CWE (1)
- CWE-78 Improper Neutralization of Special Elements used in an OS Command weakness
References
- https://github.com/roundcube/roundcubemail/commit/14044f843cfacbe78b042f659e379d6b4497aa7c Patch
- https://github.com/roundcube/roundcubemail/commit/495d211638f222336b20f4744545c53712426c2a Patch
- https://github.com/roundcube/roundcubemail/commit/b8f90e28a46d42e79a69568cba897f8f4223d9cd Patch
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.18 Release Notes
- https://github.com/roundcube/roundcubemail/releases/tag/1.7.3 Release Notes
- https://roundcube.net/news/2026/08/09/security-updates-1.6.18-and-1.7.3 Vendor Advisory