7.5

CVE-2026-35537

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Roundcube ≫ Webmail Version < 1.5.14
Roundcube ≫ Webmail Version >= 1.6.0 < 1.6.14
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.48% 0.373
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
cve@mitre.org 3.7 2.2 1.4
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
CWE-502 Deserialization of Untrusted Data

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

https://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14
Third Party Advisory
https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5
Release Notes
https://github.com/roundcube/roundcubemail/commit/6d586cfa4d8a31f7957f7a445aaedd52592a0e74
Patch
https://github.com/roundcube/roundcubemail/releases/tag/1.6.14
Release Notes
https://github.com/roundcube/roundcubemail/commit/a4ead994d2f0ea92e4a1603196a197e0d5df1620
Patch
https://github.com/roundcube/roundcubemail/releases/tag/1.5.14
Release Notes
https://github.com/roundcube/roundcubemail/commit/618c5428edc69fb088e7ac6c89e506dd39df3
Patch
http://www.openwall.com/lists/oss-security/2026/04/11/6
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