CVE-2026-86193CWE-863broken-access-control

CVE-2026-86193

published September 5, 2026

CVSS
8.7
EPSS
0%
Percentile
29.1
In the wild
Unconfirmed
What it is

grav-plugin-api before 1.0.20 fails to validate group-inherited super permissions in user-management guards, allowing non-super user managers to modify super-admin accounts. Attackers with api.access and api.users.write can patch password fields on group-super accounts to gain full administrative control.

The record
Technical detail
CVSS
8.7 · NONE
CVSS v4.0
8.7 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00364 · 29.1th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-09-05T17:18Z
References (3)
https://github.com/getgrav/grav/security/advisories/GHSA-vv8m-jqpm-38x4 · [email protected]https://www.vulncheck.com/advisories/grav-api-plugin-authentication-bypass-via-group-inherited-super · [email protected]https://github.com/getgrav/grav/security/advisories/GHSA-vv8m-jqpm-38x4 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 07 SEP 03:36Z
    EPSS moved — → 0%
    epss
  • 05 SEP 12:09Z
    Grav API Plugin Authentication Bypass via Group-Inherited Super
    cvelistv5