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CVE Vulnerability Details :
CVE-2026-35537
PUBLISHED
More InfoOfficial Page
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
View Known Exploited Vulnerability (KEV) details
Published At-03 Apr, 2026 | 03:28
Updated At-11 Apr, 2026 | 14:12
Rejected At-
▼CVE Numbering Authority (CNA)

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 Products
Vendor
Roundcube Webmail ProjectRoundcube
Product
Webmail
Default Status
unaffected
Versions
Affected
  • From 0 before 1.5.14 (semver)
  • From 1.6.0 before 1.6.14 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-502CWE-502 Deserialization of Untrusted Data
Type: CWE
CWE ID: CWE-502
Description: CWE-502 Deserialization of Untrusted Data
Metrics
VersionBase scoreBase severityVector
3.13.7LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Version: 3.1
Base score: 3.7
Base severity: LOW
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14
N/A
https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5
N/A
https://github.com/roundcube/roundcubemail/commit/6d586cfa4d8a31f7957f7a445aaedd52592a0e74
N/A
https://github.com/roundcube/roundcubemail/releases/tag/1.6.14
N/A
https://github.com/roundcube/roundcubemail/commit/a4ead994d2f0ea92e4a1603196a197e0d5df1620
N/A
https://github.com/roundcube/roundcubemail/releases/tag/1.5.14
N/A
https://github.com/roundcube/roundcubemail/commit/618c5428edc69fb088e7ac6c89e506dd39df3
N/A
Hyperlink: https://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14
Resource: N/A
Hyperlink: https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5
Resource: N/A
Hyperlink: https://github.com/roundcube/roundcubemail/commit/6d586cfa4d8a31f7957f7a445aaedd52592a0e74
Resource: N/A
Hyperlink: https://github.com/roundcube/roundcubemail/releases/tag/1.6.14
Resource: N/A
Hyperlink: https://github.com/roundcube/roundcubemail/commit/a4ead994d2f0ea92e4a1603196a197e0d5df1620
Resource: N/A
Hyperlink: https://github.com/roundcube/roundcubemail/releases/tag/1.5.14
Resource: N/A
Hyperlink: https://github.com/roundcube/roundcubemail/commit/618c5428edc69fb088e7ac6c89e506dd39df3
Resource: N/A
▼Authorized Data Publishers (ADP)
1. CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
2. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
http://www.openwall.com/lists/oss-security/2026/04/11/6
N/A
Hyperlink: http://www.openwall.com/lists/oss-security/2026/04/11/6
Resource: N/A
Details not found