CVE-2026-74997

8.8 Élevée

Publiée le 17/08/2026 à 15:16 · Modifiée le 08/09/2026 à 21:09 · Analysée par le NVD · Source : cve@mitre.org

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.

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Produits concernés

Roundcube Webmail

Scores CVSS

Version	Score	Source	Vecteur
3.1	8.8 Élevée	cve@mitre.org	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`

Faiblesses (CWE)

CWE-78

Références

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

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories