CVE-2026-62644

Published: Jul 14, 2026Modified: Jul 20, 2026

9.8

Vector

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

Exploitability: 3.9 / Impact: 5.9

Source: NVD

Description

In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the password plugin of the Roundcube Webmail was subject to username spoofing via session data, which could lead to account takeover.

Affected (2)

Products: Roundcube: Webmail

Roundcube

1 product

Webmail

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Roundcube Webmail	From 1.6.0 to 1.6.17
Roundcube Webmail	From 1.7.0 to 1.7.2

Related CWEs

CWE-290

Authentication Bypass by Spoofing

This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.

References (7)

https://github.com/roundcube/roundcubemail/commit/5cdc6a48b40beabff7f0bf5d9035f4491e877e4c

Source: cve@mitre.org

Patch

https://github.com/roundcube/roundcubemail/commit/7414fef51cd2407d39faab99680763f10ed5231d

Source: cve@mitre.org

Patch

https://github.com/roundcube/roundcubemail/commit/83150ce04d689a70f92d511bcae40adba8d55476

Source: cve@mitre.org

Patch

https://github.com/roundcube/roundcubemail/commit/9a96c20d8c7c9135876b68bebd6960af3ee60923

Source: cve@mitre.org

Patch

https://github.com/roundcube/roundcubemail/releases/tag/1.6.17

Source: cve@mitre.org

Release Notes

https://github.com/roundcube/roundcubemail/releases/tag/1.7.2

Source: cve@mitre.org

Release Notes

https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2

Source: cve@mitre.org

Vendor Advisory

Timeline

No history available yet.