{"id":"CVE-2026-15723","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-15723","generatedAt":"2026-10-28T01:51:57.199Z","title":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.1 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, when OmniAuth SAML and LDAP auto-linking were both enabled, an authenticated user could have taken over an…","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.1 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, when OmniAuth SAML and LDAP auto-linking were both enabled, an authenticated user could have taken over an existing LDAP-backed account without any interaction from the targeted user, due to improper input sanitization in the LDAP email lookup path used during OmniAuth identity linking.","published":"2026-10-22T01:16:59.000Z","lastModified":"2026-10-27T14:09:29.000Z","status":"Analyzed","sourceIdentifier":"cve@gitlab.com","cvss":{"version":"3.1","score":8.2,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N"},"cwe":["CWE-90"],"affected":["gitlab/gitlab"],"epss":{"score":0.00421,"percentile":0.36228,"date":"2026-10-26","history":[{"date":"2026-10-22","score":0.00334,"percentile":0.25547}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.42%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-22T01:16:59.000Z","detail":{"score":"8.2","severity":"HIGH","publishedAt":"2026-10-22T01:16:59.477Z"},"summary":"New CVE, high severity (CVSS 8.2)."}],"references":[{"url":"https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/","tags":["Release Notes","Vendor Advisory"],"source":"cve@gitlab.com"},{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/605977","tags":["Permissions Required"],"source":"cve@gitlab.com"},{"url":"https://hackerone.com/reports/3852192","tags":["Permissions Required"],"source":"cve@gitlab.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-15723","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."}