Vulnerability · Published Sep 5, 2026 · Assigned by VulnCheck

CVE-2026-86194Grav Form Plugin before 9.1.22 Cross-Page Form Execution

Medium 6.9

In plain English

A medium-severity missing authorization in grav-plugin-form from getgrav. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities).

Severity (CVSS 4.0)6.9Medium

Exploit odds (30 days)0.6%top 52.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

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forms by name across pages, allowing anonymous visitors to execute form actions defined on login-restricted or unpublished pages.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.

Affected products (as reported)

Vendor	Product	Versions
getgrav	grav-plugin-form	0 – before 9.1.22

Weakness: CWE-862 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

References

GitHub Security Advisory (GHSA-33m4-m988-5fvh) vendor-advisory
VulnCheck Advisory: Grav Form Plugin before 9.1.22 Cross-Page Form Execution third-party-advisory