CVE-2026-85210CWE-862broken-access-control

CVE-2026-85210

Medium · published September 3, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
26.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
5.3 · 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
EPSS
0.00342 · 26.5th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-09-03T19:17Z
References (5)
https://github.com/oppia/oppia · [email protected]https://github.com/oppia/oppia/blob/v3.5.2/core/controllers/admin.py · [email protected]https://github.com/oppia/oppia/issues/26652 · [email protected]https://www.vulncheck.com/advisories/oppia-through-3.5.2-missing-authorization-on-adminrolehandler-get · [email protected]https://github.com/oppia/oppia/issues/26652 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 05 SEP 03:44Z
    EPSS moved — → 0%
    epss
  • 03 SEP 14:12Z
    Oppia through 3.5.2 Missing Authorization on AdminRoleHandler GET
    cvelistv5