Medium 4.3Published Sep 3, 2026

CVE-2026-85210Oppia through 3.5.2 Missing Authorization on AdminRoleHandler GET

Updated under an hour ago (2026-10-19 08:20 UTC)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for oppia

Exploited in the last 30 days

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.

CVSS: 4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE): CWE-862
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Oct 8, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

oppia oppia oppia:oppia (from the name)	through 3.5.2	CNA record

References

https://github.com/oppia/oppia/issues/26652issue-tracking
https://github.com/oppia/oppiaproduct
https://github.com/oppia/oppia/blob/v3.5.2/core/controllers/admin.pytechnical-description
https://www.vulncheck.com/advisories/oppia-through-3.5.2-missing-authorization-on-adminrolehandler-getthird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.