CVE-2026-56710 Grav Login Plugin before 1.0.16 Privilege Escalation via Unlock
Attackers with API write access can bypass brute-force protections on super-admin accounts, facilitating privilege escalation in Grav CMS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-56710?
CVE-2026-56710 is a critical vulnerability in getgrav grav, published on 25 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Grav Login plugin versions before 1.0.16 fail to validate the target account's privilege level in the onApiUserListRowAction unlock handler. An attacker with api.users.write permission can clear login lockout counters on admin.super accounts, removing brute-force protection from the highest-privilege accounts without requiring equivalent permissions.
Weakness: CWE-863
Which versions are affected by CVE-2026-56710?
How do I fix CVE-2026-56710?
No fix has been published for CVE-2026-56710 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-56710 being exploited?
There is no known exploitation of CVE-2026-56710 in the wild and no public exploit code.
Sources
Also known as GHSA-qw9m-fc79-372g.