CVE-2026-26079

Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13 allows Cascading Style Sheets (CSS) injection, e.g., because comments are mishandled.

CVSS v3 4.7 MEDIUM

4.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/roundcube/roundcubemail/commit/1f4c3a5af5033747f9685a8a395dbd8228d19816
https://github.com/roundcube/roundcubemail/commit/2b5625f1d2ef7e050fd1ae481b2a52dc35466447
https://github.com/roundcube/roundcubemail/commit/53d75d5dfebef235a344d476b900c20c12d52b01
https://github.com/roundcube/roundcubemail/commit/5a3315cce587e0be58335d11ff9a5571c90494a5
https://github.com/roundcube/roundcubemail/commit/bf89cbaa5897d8ad62e8057d9a3f6babb90b7954
https://github.com/roundcube/roundcubemail/commit/c15f5dbf093a497e19a749b20e7f8fb5a9c24cde
https://github.com/roundcube/roundcubemail/releases/tag/1.5.13
https://github.com/roundcube/roundcubemail/releases/tag/1.6.13
https://roundcube.net/news/2026/02/08/security-updates-1.6.13-and-1.5.13

Configurations

No configuration.

History

No history.

Information

Published : 2026-02-11 05:16

Updated : 2026-02-11 15:27

NVD link : CVE-2026-26079

Mitre link : CVE-2026-26079

CVE.ORG link : CVE-2026-26079

JSON object : View

Products Affected

No product.

CWE

CWE-829

Inclusion of Functionality from Untrusted Control Sphere

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