VULNERABILITY INTELLIGENCE

CVE-2026-74997

CVSS score8.8 HIGH
EPSS probability1.13%
CISA KEVNot currently listed
Published2026-08-17
Last modified2026-09-08
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • cve@mitre.org: CWE-78

Primary references