CVE-2026-86193 Grav API Plugin Authentication Bypass via Group-Inherited Super
Attackers with specific API permissions can bypass authentication checks to modify super-admin accounts and gain full administrative control.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-86193?
CVE-2026-86193 is a high-severity authentication bypass vulnerability in getgrav grav-plugin-api, published on 5 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-863
Which versions are affected by CVE-2026-86193?
How do I fix CVE-2026-86193?
No fix has been published for CVE-2026-86193 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-86193 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-86193 exists.
Sources
Also known as GHSA-6rq7-cjmj-rc58.