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.
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Fixes

Solution

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Workaround

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History

Thu, 03 Sep 2026 14:30:00 +0000

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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-03T14:12:21.815Z

Reserved: 2026-09-03T13:44:46.783Z

Link: CVE-2026-85210

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-03T15:17:40.103

Modified: 2026-09-03T15:17:40.103

Link: CVE-2026-85210

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-03T16:15:06Z

Weaknesses