CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Lifecycle Timeline
4Tags
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.
Analysis
Unsafe deserialization in Roundcube Webmail's Redis/Memcache session handler allows unauthenticated remote attackers to write arbitrary files by crafting malicious session data. Affected versions include all 1.6.x before 1.6.14 and all 1.5.x before 1.5.14. …
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-18575
GHSA-rxj3-rrwm-pj4r