{"id":"CVE-2026-85210","title":"Oppia's AdminRoleHandler GET endpoint in core/controllers/admin.py is decorated with open_access, allowing any registered user to enumerate privileged accounts and roles","summary":"Oppia's AdminRoleHandler GET endpoint in core/controllers/admin.py is decorated with open_access, allowing any registered user to enumerate privileged accounts and roles. Attackers can query the endpoint with filter_criterion parameters …","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","cwe":["CWE-862"],"published":"2026-09-03","updated":"2026-09-10","sourceUpdated":"2026-09-10T15:53:23.707","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-85210","references":[{"url":"https://github.com/oppia/oppia","label":"disclosure@vulncheck.com"},{"url":"https://github.com/oppia/oppia/blob/v3.5.2/core/controllers/admin.py","label":"disclosure@vulncheck.com"},{"url":"https://github.com/oppia/oppia/issues/26652","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/oppia-through-3.5.2-missing-authorization-on-adminrolehandler-get","label":"disclosure@vulncheck.com"},{"url":"https://github.com/oppia/oppia/issues/26652","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.00199,"epssPercentile":0.10058,"ingestedAt":"2026-09-05T20:44:36.508Z","vendor":"oppia","product":"oppia","affected":["oppia <= 3.5.2"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-05T01:23:09.690005Z"},"slug":"CVE-2026-85210","body":"## Overview\n\nOppia's AdminRoleHandler GET endpoint in core/controllers/admin.py is decorated with open_access, allowing any registered user to enumerate privileged accounts and roles. Attackers can query the endpoint with filter_criterion parameters to retrieve usernames holding specific roles, banned flags, and managed topic identifiers without authorization.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":36,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":210219,"id":"CVE-2026-85210","ts":1790264815662,"field":"exploit_available","old":"false","new":"true"}]}