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[TLP:CLEAR] GitLab CE/EE fixes 15 vulnerabilities

GitLab fixes 15 vulnerabilities in GitLab Community Edition (CE) and Enterprise Edition (EE) in versions 18.8.4, 18.7.4 and 18.6.6 [1]. The most severe vulnerabilities are listed below.

GitLab CE/EE - incomplete token validation (CVE-2025-7659)
CVSS 8.0 (High)

An unauthenticated remote attacker can gain unauthorized access to private repositories using a stolen authentication token [1].

The vulnerability is present in product:

  • GitLab; >=18.8.0, <18.8.4; >=18.7.0, <18.7.4; >=18.2.0, <18.6.6;

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

More information:

The vulnerability was publicly disclosed 10. 2. 2026.

GitLab CE/EE - DoS (CVE-2025-8099)
CVSS 7.5 (High)

An unauthenticated remote attacker can carry out a DoS attack by repeatedly sending GrapQL queries [1].

The vulnerability is present in product:

  • GitLab; >=18.8.0, <18.8.4; >=18.7.0, <18.7.4; >=10.8.0, <18.6.6;

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

More information:

The vulnerability was publicly disclosed 10. 2. 2026.

GitLab CE/EE - XSS (CVE-2025-14560)
CVSS 7.3 (High)

Under certain circumstances, an authenticated remote attacker can carry out an XSS attack in the Code Flow functionality in the vulnerability detail [1].

The vulnerability is present in product:

  • GitLab; >=18.8.0, <18.8.4; >=18.7.0, <18.7.4; >=17.1.0, <18.6.6;

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

More information:

  • CVE-2025-14560 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 10. 2. 2026.


By CESNET, z.s.p.o. Martin Krajči on 12. 2. 2026.

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