CVE-2026-35537

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2026-35537
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-03 04:17:10 UTC
Updated2026-04-03 04:17:10 UTC
DescriptionAn 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.

Risk And Classification

Primary CVSS: v3.1 3.7 LOW from [email protected]

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

Problem Types: CWE-502 | CWE-502 CWE-502 Deserialization of Untrusted Data

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary3.7LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
3.1CNACVSS3.7LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Roundcube Webmail affected 1.5.14 semver Not specified
CNA Roundcube Webmail affected 1.6.0 1.6.14 semver Not specified

References

ReferenceSourceLinkTags
roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14 [email protected] roundcube.net
github.com/roundcube/roundcubemail/commit/6d586cfa4d8a31f7957f7a445aaedd... [email protected] github.com
github.com/roundcube/roundcubemail/commit/a4ead994d2f0ea92e4a1603196a197... [email protected] github.com
github.com/roundcube/roundcubemail/releases/tag/1.6.14 [email protected] github.com
github.com/roundcube/roundcubemail/releases/tag/1.7-rc5 [email protected] github.com
github.com/roundcube/roundcubemail/commit/618c5428edc69fb088e7ac6c89e506... [email protected] github.com
github.com/roundcube/roundcubemail/releases/tag/1.5.14 [email protected] github.com
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