CVE-2026-114724

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-114724
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-22 02:17:00 UTC
Updated2026-10-22 02:17:00 UTC
DescriptionRoundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 contains an object injection primitive in rcube_session::unserialize(). A session key prefixed with “!” was treated as having no value, and the reconstructed serialized string was emitted with a key but no corresponding value, desynchronizing the remainder of the input so that following session data was interpreted as a serialized value. This yields a PHP object injection primitive for an attacker able to influence stored session data. Upstream fixed this in the commit “Fix object injection primitive in rcube_session::unserialize() via “!”-prefixed session keys”, which rejects such keys.

Risk And Classification

Primary CVSS: v3.1 7.4 HIGH from [email protected]

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

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

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.4HIGHCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS7.4HIGHCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Roundcube Webmail affected 1.6.0 1.6.20 semver Not specified
CNA Roundcube Webmail affected 1.7.0 1.7.5 semver Not specified

References

ReferenceSourceLinkTags
github.com/roundcube/roundcubemail/commit/93284f3f0e13f99af37fc3b81861e1... [email protected] github.com
roundcube.net/news/2026/10/19/security-updates-1.6.20-and-1.7.5 [email protected] roundcube.net
bugs.debian.org/1151279 [email protected] bugs.debian.org
github.com/roundcube/roundcubemail/releases/tag/1.7.5 [email protected] github.com
github.com/roundcube/roundcubemail/releases/tag/1.6.20 [email protected] github.com
github.com/roundcube/roundcubemail/commit/833770d3d3c35cfde74cc2614d368f... [email protected] github.com
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