Bug 2454718 (CVE-2026-35537) - CVE-2026-35537 roundcubemail: Roundcube Webmail: Arbitrary file write via unsafe deserialization in session handler
Summary: CVE-2026-35537 roundcubemail: Roundcube Webmail: Arbitrary file write via uns...
Keywords:
Status: NEW
Alias: CVE-2026-35537
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
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Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-04-03 04:01 UTC by OSIDB Bzimport
Modified: 2026-04-03 08:07 UTC (History)
0 users

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Description OSIDB Bzimport 2026-04-03 04:01:22 UTC 
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.
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