{"affected":[{"defaultStatus":"unaffected","platforms":["Windows","Linux"],"product":"Octopus Server","source":"CNA: Octopus","vendor":"Octopus Deploy","versions":[{"lessThan":"2026.2.13526","status":"affected","version":"3.0.0","versionType":"custom"},{"lessThan":"2026.3.15926","status":"affected","version":"2026.3.0","versionType":"custom"}]}],"cveId":"CVE-2026-124627","cwes":["CWE-863"],"description":"In affected versions of Octopus Server, incorrect validation of the external identity linked to a newly registered user could result in that user receiving the LDAP-mapped team memberships and associated permissions of another user. This issue only affects instances with LDAP authentication enabled and LDAP groups mapped to Octopus teams.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":8.7,"severity":"high","source":"CNA: Octopus","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0"}],"modifiedAt":1794490130375,"publishedAt":1794490130375,"references":[{"source":"CNA: Octopus","tags":[],"url":"https://advisories.octopus.com/post/2026/sa2026-23"}],"remediation":[],"revision":"86d5058bd285a55ddd10e6b491b48a573596df78ed32d306c532024f2151c8ba","sources":[{"modifiedAt":1794490130375,"name":"CNA: Octopus","retrievedAt":1794492564117,"url":"https://www.cve.org/CVERecord?id=CVE-2026-124627"}],"ssvc":null,"status":"published","title":"CVE-2026-124627","updatedAt":1794492564117}