{"id":"CVE-2026-12436","aliases":["BIT-gitlab-2026-12436","EUVD-2026-50482","GHSA-94p8-87ff-w336"],"status":"published","title":"Improperly Controlled Modification of Dynamically-Determined Object Attributes in GitLab","description":"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.","severity":{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00462,"percentile":0.40326,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-915"],"published":"2026-07-29T19:00:36Z","modified":"2026-10-30T10:30:53Z","fixes":[{"ecosystem":"Bitnami","package":"gitlab","fixed_in":["19.0.5","19.1.3","19.2.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitlab","ranges":[{"type":"SEMVER","events":[{"introduced":"18.0.0"},{"fixed":"19.0.5"},{"introduced":"19.1.0"},{"fixed":"19.1.3"},{"introduced":"19.2.0"},{"fixed":"19.2.1"}]}]}],"products":[{"vendor":"gitlab","product":"gitlab"}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/603223","tags":["Broken Link","web"]},{"url":"https://hackerone.com/reports/3800511","tags":["technical-description","exploit","permissions-required","Permissions Required","web","report"]},{"url":"https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-released/","tags":["Release Notes","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-12436","tags":["web","advisory"]},{"url":"https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-released"},{"url":"https://github.com/advisories/GHSA-94p8-87ff-w336"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/12xxx/CVE-2026-12436.json","tags":["advisory"]},{"url":"git://git@gitlab.com:gitlab-org/gitlab.git","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-12436","title":"Improperly Controlled Modification of Dynamically-Determined Object Attributes in GitLab","description":"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.","status":"published","published":"2026-07-29T19:00:36.048Z","modified":"2026-07-31T16:10:56.005Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-915"],"updated_at":"2026-11-02T14:19:47.998488Z"}],"euvd":[{"id":"EUVD-2026-50482","description":"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.","status":"published","published":"2026-07-29T19:00:36Z","modified":"2026-07-31T16:10:56Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L","level":"high"}],"updated_at":"2026-11-02T18:02:25.856077Z"}],"ghsa":[{"id":"GHSA-94p8-87ff-w336","title":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.0 before 19.0.5, 19...","description":"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.","status":"published","published":"2026-07-29T21:31:00Z","modified":"2026-07-29T21:31:07Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L","level":"high"}],"cwes":["CWE-915"],"updated_at":"2026-11-02T15:09:54.918351Z"}],"nvd":[{"id":"CVE-2026-12436","description":"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.","status":"published","published":"2026-07-29T20:17:00.417Z","modified":"2026-08-03T13:42:46.8Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L","level":"high","assessor":"secondary"}],"cwes":["CWE-915"],"updated_at":"2026-11-02T14:12:33.629616Z"}],"osv":[{"id":"CVE-2026-12436","title":"Improperly Controlled Modification of Dynamically-Determined Object Attributes in GitLab","description":"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.","status":"published","published":"2026-07-29T19:00:36.048Z","modified":"2026-10-30T10:30:53.867230158Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L","level":"high"}],"cwes":["CWE-915"],"updated_at":"2026-11-02T15:44:57.354194Z"},{"id":"BIT-gitlab-2026-12436","title":"Improperly Controlled Modification of Dynamically-Determined Object Attributes in GitLab","description":"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.","status":"published","published":"2026-08-17T06:06:24.88Z","modified":"2026-09-08T08:48:12.129489795Z","updated_at":"2026-11-02T15:28:30.70064Z"}]}}