CVE-2026-74997
High · 8.8CVSS
8.8
EPSS
1.1%
Published
Aug 17, 2026
CISA due date
—
The record
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 packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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