{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-12436","assignerOrgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","state":"PUBLISHED","assignerShortName":"GitLab","dateReserved":"2026-06-16T19:08:45.458Z","datePublished":"2026-07-29T19:00:36.048Z","dateUpdated":"2026-07-31T16:10:56.005Z"},"containers":{"cna":{"title":"Improperly Controlled Modification of Dynamically-Determined Object Attributes in GitLab","descriptions":[{"lang":"en","value":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user to modify CI/CD configuration belonging to another user due to improper validation of user-supplied attributes when processing pipeline schedule inputs."}],"affected":[{"vendor":"GitLab","product":"GitLab","repo":"git://git@gitlab.com:gitlab-org/gitlab.git","cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"],"versions":[{"version":"18.0","status":"affected","lessThan":"19.0.5","versionType":"semver"},{"version":"19.1","status":"affected","lessThan":"19.1.3","versionType":"semver"},{"version":"19.2","status":"affected","lessThan":"19.2.1","versionType":"semver"}],"defaultStatus":"unaffected"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-915: Improperly Controlled Modification of Dynamically-Determined Object Attributes","cweId":"CWE-915","type":"CWE"}]}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/603223"},{"url":"https://hackerone.com/reports/3800511","name":"HackerOne Bug Bounty Report #3800511","tags":["technical-description","exploit","permissions-required"]},{"url":"https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-released/"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"LOW","baseScore":8.4,"baseSeverity":"HIGH"}}],"solutions":[{"lang":"en","value":"Upgrade to versions 19.0.5, 19.1.3, 19.2.1 or above."}],"credits":[{"lang":"en","value":"Thanks [a0xnirudh](https://hackerone.com/a0xnirudh) for reporting this vulnerability through our HackerOne bug bounty program","type":"finder"}],"providerMetadata":{"orgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","shortName":"GitLab","dateUpdated":"2026-07-29T19:00:36.048Z"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-30T03:55:42.557469Z","id":"CVE-2026-12436","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-31T16:10:56.005Z"}}]}}