{"id":"CVE-2026-6976","aliases":["BIT-gitlab-2026-6976","EUVD-2026-36228","GHSA-7mq5-3vcf-v96v","UBUNTU-CVE-2026-6976"],"status":"published","title":"Authorization Bypass Through User-Controlled Key in GitLab","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.9 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to hide changes from merge request diff views due to improper input handling of file names.","severity":{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00158,"percentile":0.05015,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-639"],"published":"2026-06-11T10:20:11Z","modified":"2026-10-30T10:30:21Z","fixes":[{"ecosystem":"Bitnami","package":"gitlab","fixed_in":["18.10.8","18.11.5","19.0.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitlab","ranges":[{"type":"SEMVER","events":[{"introduced":"15.9.0"},{"fixed":"18.10.8"},{"introduced":"18.11.0"},{"fixed":"18.11.5"},{"introduced":"19.0.0"},{"fixed":"19.0.2"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"gitlab","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.4.3+dfsg-9","8.4.3+dfsg-12","8.5.8+dfsg-5"]}],"products":[{"vendor":"gitlab","product":"gitlab"}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/598165","tags":["Issue Tracking","report","web"]},{"url":"https://hackerone.com/reports/3638136","tags":["technical-description","exploit","permissions-required","Permissions Required","web","report"]},{"url":"https://about.gitlab.com/releases/2026/06/10/patch-release-gitlab-19-0-2-released/","tags":["Release Notes","article","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6976","tags":["web","advisory"]},{"url":"https://about.gitlab.com/releases/2026/06/10/patch-release-gitlab-19-0-2-released"},{"url":"https://github.com/advisories/GHSA-7mq5-3vcf-v96v"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6976.json","tags":["advisory"]},{"url":"git://git@gitlab.com:gitlab-org/gitlab.git","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2026-6976","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-6976","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-6976","title":"Authorization Bypass Through User-Controlled Key in GitLab","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.9 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to hide changes from merge request diff views due to improper input handling of file names.","status":"published","published":"2026-06-11T10:20:11.436Z","modified":"2026-06-11T12:33:23.414Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T13:50:04.986624Z"}],"euvd":[{"id":"EUVD-2026-36228","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.9 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to hide changes from merge request diff views due to improper input handling of file names.","status":"published","published":"2026-06-11T10:20:11Z","modified":"2026-06-11T12:33:23Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T18:20:44.570445Z"}],"ghsa":[{"id":"GHSA-7mq5-3vcf-v96v","title":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.9 before 18.10.8,...","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.9 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to hide changes from merge request diff views due to improper input handling of file names.","status":"published","published":"2026-06-11T12:32:45Z","modified":"2026-06-11T12:32:56Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"low"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:08:44.492605Z"}],"nvd":[{"id":"CVE-2026-6976","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.9 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to hide changes from merge request diff views due to improper input handling of file names.","status":"published","published":"2026-06-11T12:16:32.467Z","modified":"2026-06-17T11:01:34.463Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:12:23.485267Z"}],"osv":[{"id":"CVE-2026-6976","title":"Authorization Bypass Through User-Controlled Key in GitLab","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.9 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to hide changes from merge request diff views due to improper input handling of file names.","status":"published","published":"2026-06-11T10:20:11.436Z","modified":"2026-10-30T10:30:21.225099528Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"low"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:45:15.164658Z"},{"id":"UBUNTU-CVE-2026-6976","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.9 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to hide changes from merge request diff views due to improper input handling of file names.","status":"published","published":"2026-06-11T12:16:00Z","modified":"2026-06-17T04:26:56Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T16:56:57.159276Z"},{"id":"BIT-gitlab-2026-6976","title":"Authorization Bypass Through User-Controlled Key in GitLab","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.9 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to hide changes from merge request diff views due to improper input handling of file names.","status":"published","published":"2026-06-12T09:05:04.309Z","modified":"2026-09-08T08:45:13.349626223Z","updated_at":"2026-11-02T15:28:30.70064Z"}]}}