CVE-2026-86194 Grav Form Plugin before 9.1.22 Cross-Page Form Execution
Attackers can execute restricted form actions on public pages without authentication, bypassing page-level authorization controls in the Grav Form Plugin.
- 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-2026-86194?
CVE-2026-86194 is a medium-severity missing authorization vulnerability in getgrav grav-plugin-form, published on 5 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Grav Form Plugin before 9.1.22 fails to verify page authorization when resolving forms by name across pages, allowing anonymous visitors to execute form actions defined on login-restricted or unpublished pages. Attackers can POST to any public page with a restricted form's name to trigger save, upload, email, or call actions without authentication.
Weakness: CWE-862
Which versions are affected by CVE-2026-86194?
How do I fix CVE-2026-86194?
No fix has been published for CVE-2026-86194 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-86194 being exploited?
There is no known exploitation of CVE-2026-86194 in the wild and no public exploit code.
Sources
Also known as GHSA-99h4-pmfq-pv63.