{"id":"CVE-2026-102478","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-102478","generatedAt":"2026-10-27T22:46:42.381Z","title":"In affected versions of Octopus Server, an authenticated user with permission to modify roles could bypass the protections preventing access abuse resulting in privilege escalation.","description":"In affected versions of Octopus Server, an authenticated user with permission to modify roles could bypass the protections preventing access abuse resulting in privilege escalation. It was possible for the built-in role to be weakened and the attacker's account added to a privileged team. This was achievable due to improper validation of unsafe equivalence in inputs.","published":"2026-10-07T02:16:56.000Z","lastModified":"2026-10-07T19:17:31.000Z","status":"Awaiting Analysis","sourceIdentifier":"security@octopus.com","cvss":{"version":"4.0","score":8.7,"severity":"HIGH","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-1289"],"affected":[],"epss":{"score":0.00295,"percentile":0.21997,"date":"2026-10-26","history":[{"date":"2026-10-07","score":0.00295,"percentile":0.20329}]},"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 (0.29%). 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":"2026-10-07T02:16:56.000Z","detail":{"score":"8.7","severity":"HIGH","publishedAt":"2026-10-07T02:16:56.320Z"},"summary":"New CVE, high severity (CVSS 8.7)."}],"references":[{"url":"https://advisories.octopus.com/post/2026/sa2026-11","source":"security@octopus.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-102478","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."}