CVE-2026-35537

Published: Apr 3, 2026Modified: Jul 24, 2026

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Unsafe deserialization in the redis/memcache session handler may lead to arbitrary file write operations by unauthenticated attackers via crafted session data.

Affected (2)

Products: Roundcube: Webmail

Roundcube

1 product

Webmail

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Roundcube Webmail	Before 1.5.14
Roundcube Webmail	From 1.6.0 to 1.6.14

Related CWEs

CWE-502

Deserialization of Untrusted Data

The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid.

References (8)

https://github.com/roundcube/roundcubemail/commit/618c5428edc69fb088e7ac6c89e506dd39df3

Source: cve@mitre.org

Patch

https://github.com/roundcube/roundcubemail/commit/6d586cfa4d8a31f7957f7a445aaedd52592a0e74

Source: cve@mitre.org

Patch

https://github.com/roundcube/roundcubemail/commit/a4ead994d2f0ea92e4a1603196a197e0d5df1620

Source: cve@mitre.org

Patch

https://github.com/roundcube/roundcubemail/releases/tag/1.5.14

Source: cve@mitre.org

Release Notes

https://github.com/roundcube/roundcubemail/releases/tag/1.6.14

Source: cve@mitre.org

Release Notes

https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5

Source: cve@mitre.org

Release Notes

https://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14

Source: cve@mitre.org

Third Party Advisory

http://www.openwall.com/lists/oss-security/2026/04/11/6

Source: af854a3a-2127-422b-91ae-364da2661108

Issue TrackingMailing List

Timeline

No history available yet.