CVE Explorer

CVE-2026-6063

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.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:4973b5e8b81fafc672a7ec8eac31decc4937e7ebc439086b5a134b5fc137cd7a

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","product":"GitLab","repo":"git://git@gitlab.com:gitlab-org/gitlab.git","vendor":"GitLab","versions":[{"lessThan":"18.9.7","status":"affected","version":"11.10","versionType":"semver"},{"lessThan":"18.10.6","status":"affected","version":"18.10","versionType":"semver"},{"lessThan":"18.11.3","status":"affected","version":"18.11","versionType":"semver"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:2da0475157c1e4def17725e1c8ea2e8d2eaff30532a5214c013c22df9f01b5e5 · sha256:137411518f5dd756… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:2da0475157c1e4def17725e1c8ea2e8d2eaff30532a5214c013c22df9f01b5e5 · sha256:137411518f5dd756… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-639","description":"CWE-639: Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:2da0475157c1e4def17725e1c8ea2e8d2eaff30532a5214c013c22df9f01b5e5 · sha256:137411518f5dd756… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions

{"url":"https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:2da0475157c1e4def17725e1c8ea2e8d2eaff30532a5214c013c22df9f01b5e5 · sha256:137411518f5dd756… · /containers/cna/references/2

{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/596332"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:2da0475157c1e4def17725e1c8ea2e8d2eaff30532a5214c013c22df9f01b5e5 · sha256:137411518f5dd756… · /containers/cna/references/0

{"name":"HackerOne Bug Bounty Report #3649087","tags":["technical-description","exploit","permissions-required"],"url":"https://hackerone.com/reports/3649087"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:2da0475157c1e4def17725e1c8ea2e8d2eaff30532a5214c013c22df9f01b5e5 · sha256:137411518f5dd756… · /containers/cna/references/1

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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