CVE-2026-65897 Grav API Plugin 1.0.9 Privilege Escalation via Invitations groups
Authenticated attackers can escalate privileges to super-admin by manipulating invitation group assignments in the Grav API Plugin.
- 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-2026-65897?
CVE-2026-65897 is a high-severity vulnerability in getgrav grav, published on 23 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Grav API Plugin versions before 1.0.10 fail to validate the groups field in InvitationsController::create(), allowing authenticated api.users.write callers to assign invited accounts to groups that grant api.super permissions. Attackers can create invitation records with elevated group membership, and when accepted, the new account gains full super-admin API access without the inviter holding those permissions.
Weakness: CWE-269
Which versions are affected by CVE-2026-65897?
How do I fix CVE-2026-65897?
No fix has been published for CVE-2026-65897 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-65897 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-65897 exists.
Sources
Also known as GHSA-m86m-jjcg-gcvv, GHSA-xcm3-8jr8-4m46.