BIT-gitlab-2025-12653

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Import Source
https://github.com/bitnami/vulndb/tree/main/data/gitlab/BIT-gitlab-2025-12653.json
JSON Data
https://api.osv.dev/v1/vulns/BIT-gitlab-2025-12653
Aliases
Published
2025-12-02T12:03:41.060Z
Modified
2025-12-11T12:19:37.285947Z
Summary
Authentication Bypass by Spoofing in GitLab
Details

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.3 before 18.4.5, 18.5 before 18.5.3, and 18.6 before 18.6.1 that under specific conditions could have allowed an unauthenticated user to join arbitrary organizations by changing headers on some requests.

Database specific
{
    "cpes": [
        "cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*",
        "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*"
    ],
    "severity": "Medium"
}
References

Affected packages

Bitnami / gitlab

Package

Name
gitlab
Purl
pkg:bitnami/gitlab

Severity

  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N CVSS Calculator

Affected ranges

Type
SEMVER
Events
Introduced
18.3.0
Fixed
18.4.5
Introduced
18.5.0
Fixed
18.5.3
Introduced
18.6.0
Fixed
18.6.1

Database specific

source

"https://github.com/bitnami/vulndb/tree/main/data/gitlab/BIT-gitlab-2025-12653.json"