{"id":"CVE-2026-105711","title":"Use of Cache Containing Sensitive Information in GitLab","summary":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.0 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, when a merge request in a public project referenced a confidential issue from a private proje…","severity":"low","cvss":3.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N","cvssSource":"cna","cwe":["CWE-524"],"vendor":"GitLab","product":"GitLab","affected":["GitLab >= 15.0 < 19.3.6","GitLab >= 19.4 < 19.4.3","GitLab >= 19.5 < 19.5.1"],"published":"2026-10-21","updated":"2026-10-21","sourceUpdated":"2026-10-21T23:34:30.427Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-105711","references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/632207"},{"url":"https://hackerone.com/reports/3963293","label":"HackerOne Bug Bounty Report #3963293"},{"url":"https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/"}],"tags":["cve.org"],"ingestedAt":"2026-10-22T00:21:21.863Z","slug":"CVE-2026-105711","body":"## Overview\n\nGitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.0 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, when a merge request in a public project referenced a confidential issue from a private project, an authenticated user with no project membership could have read the confidential issue's title, due to a viewer-independent fragment cache key that incorrectly shared per-user-redacted rendered content across all users.\n\n## Affected\n\n- `GitLab >= 15.0 < 19.3.6`\n- `GitLab >= 19.4 < 19.4.3`\n- `GitLab >= 19.5 < 19.5.1`\n\n## Remediation\n\nUpgrade to versions 19.3.6, 19.4.3, 19.5.1 or above.","depth":"sunlit","depthScore":19,"depthScoreParts":{"impact":19.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}