CVE-2025-6601

GitLab has remediated an issue in GitLab EE affecting all versions from 18.4 before 18.4.3, and 18.5 before 18.5.1 that under certain conditions could have allowed authenticated users to gain unauthorized project access by exploiting the access request approval workflow.

CVSS v3 2.7 LOW

2.7^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.2 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://about.gitlab.com/releases/2025/10/22/patch-release-gitlab-18-5-1-released/	Release Notes Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/551267	Broken Link
https://hackerone.com/reports/3209641	Permissions Required

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*
	cpe:2.3:a:gitlab:gitlab:18.5.0::::enterprise:::

History

28 Oct 2025, 13:38

Type	Values Removed	Values Added
CPE		cpe:2.3:a:gitlab:gitlab:::::enterprise:::* cpe:2.3:a:gitlab:gitlab:18.5.0::::enterprise:::
First Time		Gitlab Gitlab gitlab
References	~~() https://about.gitlab.com/releases/2025/10/22/patch-release-gitlab-18-5-1-released/ -~~	() https://about.gitlab.com/releases/2025/10/22/patch-release-gitlab-18-5-1-released/ - Release Notes, Vendor Advisory
References	~~() https://gitlab.com/gitlab-org/gitlab/-/issues/551267 -~~	() https://gitlab.com/gitlab-org/gitlab/-/issues/551267 - Broken Link
References	~~() https://hackerone.com/reports/3209641 -~~	() https://hackerone.com/reports/3209641 - Permissions Required

27 Oct 2025, 00:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-10-27 00:15

Updated : 2025-10-28 13:38

NVD link : CVE-2025-6601

Mitre link : CVE-2025-6601

CVE.ORG link : CVE-2025-6601

JSON object : View

Products Affected

gitlab

gitlab

CWE

CWE-840

Business Logic Errors

{"id": "CVE-2025-6601", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "cve@gitlab.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 2.7, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 1.2}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2025-10-27T00:15:41.100", "references": [{"url": "https://about.gitlab.com/releases/2025/10/22/patch-release-gitlab-18-5-1-released/", "tags": ["Release Notes", "Vendor Advisory"], "source": "cve@gitlab.com"}, {"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/551267", "tags": ["Broken Link"], "source": "cve@gitlab.com"}, {"url": "https://hackerone.com/reports/3209641", "tags": ["Permissions Required"], "source": "cve@gitlab.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "cve@gitlab.com", "description": [{"lang": "en", "value": "CWE-840"}]}], "descriptions": [{"lang": "en", "value": "GitLab has remediated an issue in GitLab EE affecting all versions from 18.4 before 18.4.3, and 18.5 before 18.5.1 that under certain conditions could have allowed authenticated users to gain unauthorized project access by exploiting the access request approval workflow."}], "lastModified": "2025-10-28T13:38:59.890", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "425AEB81-EA04-4702-99F8-B623614F6901", "versionEndExcluding": "18.4.3", "versionStartIncluding": "18.4.0"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:18.5.0:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "CCF08EA3-6D3E-4388-BA9D-A992B771998F"}], "operator": "OR"}]}], "sourceIdentifier": "cve@gitlab.com"}