{"id":"CVE-2026-100755","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-100755","generatedAt":"2026-10-28T04:18:05.856Z","title":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.2 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain deployment configurations, could have allowed an authenticated user to poison cached page…","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.2 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain deployment configurations, could have allowed an authenticated user to poison cached page content served to other users due to improper cache key construction.","published":"2026-10-13T02:16:56.000Z","lastModified":"2026-10-14T19:17:00.000Z","status":"Analyzed","sourceIdentifier":"cve@gitlab.com","cvss":{"version":"3.1","score":4.6,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L"},"cwe":["CWE-349"],"affected":["gitlab/gitlab"],"epss":{"score":0.00092,"percentile":0.0048,"date":"2026-10-27","history":[{"date":"2026-10-13","score":0.00085,"percentile":0.00282}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.09%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-13T02:16:56.000Z","detail":{"score":"4.6","severity":"MEDIUM","publishedAt":"2026-10-13T02:16:55.883Z"},"summary":"New CVE, medium severity (CVSS 4.6)."}],"references":[{"url":"https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/","tags":["Release Notes","Vendor Advisory"],"source":"cve@gitlab.com"},{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/627507","tags":["Issue Tracking"],"source":"cve@gitlab.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-100755","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}