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VULNERABILITIES

CVE-2026-74997 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://github.com/roundcube/roundcubemail/commit/14044f843cfacbe78b042f659e379d6b4497aa7c [email protected]Patch
https://github.com/roundcube/roundcubemail/commit/495d211638f222336b20f4744545c53712426c2a [email protected]Patch
https://github.com/roundcube/roundcubemail/commit/b8f90e28a46d42e79a69568cba897f8f4223d9cd [email protected]Patch
https://github.com/roundcube/roundcubemail/releases/tag/1.6.18 [email protected]Release Notes
https://github.com/roundcube/roundcubemail/releases/tag/1.7.3 [email protected]Release Notes

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')[email protected]

Affected Products

ProductVersions
roundcube webmail
>= 1.6.0, < 1.6.18
>= 1.7.0, < 1.7.3

CPE

  • cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-74997
NVD Published Date:
Aug 17, 2026
NVD Last Modified:
Sep 8, 2026
Source:
[email protected]
CVE-2026-74997 Details - Not Deferred