CVE-2026-75002

Published: Aug 17, 2026Modified: Sep 8, 2026

7.1

Vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L

Exploitability: 1.6 / Impact: 5.5

Source: MITRE (Secondary)

Description

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, mail search and LITERAL+ byte-count desynchronization could lead to information disclosure or privilege escalation via IMAP command injection.

Affected (2)

Products: Roundcube: Webmail

Roundcube

1 product

Webmail

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Roundcube Webmail	1.6.0 ≤ version < 1.6.18
Roundcube Webmail	1.7.0 ≤ version < 1.7.3

Related CWEs

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

References (5)

https://github.com/roundcube/roundcubemail/commit/404d43f1b0125319c3cf8c9e3df39074c0cb80ad

Source: cve@mitre.org

Patch

https://github.com/roundcube/roundcubemail/commit/73233abe581b3b31cefd00041c7086c40e1793ea

Source: cve@mitre.org

Patch

https://github.com/roundcube/roundcubemail/releases/tag/1.6.18

Source: cve@mitre.org

Release Notes

https://github.com/roundcube/roundcubemail/releases/tag/1.7.3

Source: cve@mitre.org

Release Notes

https://roundcube.net/news/2026/08/09/security-updates-1.6.18-and-1.7.3

Source: cve@mitre.org

Vendor Advisory

Timeline

No history available yet.