This report was translated by AI; nobody has reviewed the translation yet. Original language: Slovak.

[TLP:CLEAR] GitLab CE/EE fixes 9 vulnerabilities

With versions 18.5.2, 18.4.4 and 18.3.6, GitLab fixes 9 vulnerabilities in GitLab Community Edition (CE) and Enterprise Edition (EE) [1]. The most serious vulnerabilities are listed below.

GitLab CE/EE - XSS (CVE-2025-11224)
CVSS 7.7 (High)

An authenticated remote attacker can carry out a stored XSS attack in the Kubernetes proxy functionality [1].

The vulnerability is present in product:

  • GitLab; >=15.10, <18.3.6; >=18.4, <18.4.4; >=18.5, <18.5.2;

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

More information:

  • CVE-2025-11224 at cve.org, NVD
  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') at cwe.mitre.org

The vulnerability was publicly disclosed 12. 11. 2025.

GitLab CE/EE - unauthorized access (CVE-2025-11865)
CVSS 6.5 (Medium)

An authenticated remote attacker can improperly remove other users' AI assistants from the GitLab Duo package [1].

The vulnerability is present in product:

  • GitLab; >=18.1, <18.3.6; >=18.4, <18.4.4; >=18.5, <18.5.2;

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

More information:

The vulnerability was publicly disclosed 12. 11. 2025.

GitLab CE/EE - information disclosure (CVE-2025-11865)
CVSS 4.3 (Medium)

An authenticated remote attacker with a blocked account can access sensitive information through WebSocket connections within the GraphQL subscriptions functionality [1].

The vulnerability is present in product:

  • GitLab; >=15.10, <18.3.6; >=18.4, <18.4.4; >=18.5, <18.5.2;

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

More information:

The vulnerability was publicly disclosed 12. 11. 2025.


By CESNET, z.s.p.o. Martin Krajči on 13. 11. 2025.

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