CVE-2026-85210

Oppia through 3.5.2 Missing Authorization on AdminRoleHandler GET

Published Sep 3, 2026 CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
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 to retrieve usernames holding specific roles, banned flags, and managed topic identifiers without authorization.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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 to retrieve usernames holding specific roles, banned flags, and managed topic identifiers without authorization.
Title Oppia through 3.5.2 Missing Authorization on AdminRoleHandler GET
First Time appeared Oppia
Oppia oppia
Weaknesses CWE-862
CPEs cpe:2.3:a:oppia:oppia:*:*:*:*:*:*:*:*
Vendors & Products Oppia
Oppia oppia
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 8, 2026, 3:51 PM
Reserved
Sep 3, 2026, 1:44 PM
Status
Deferred
Published
Sep 3, 2026, 3:17 PM
Modified
Oct 8, 2026, 4:17 PM