CVE-2026-86194: getgrav grav-plugin-form Missing Authorization
Vulnerability summary
CVE-2026-86194 is a medium (CVSS 6.9) Missing Authorization vulnerability in getgrav grav-plugin-form. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.8% of scored vulnerabilities.
Timeline
- 05-09-2026PublishedVulnerability first disclosed.
- 18-09-2026Last modifiedVulnerability information updated.
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forms by name across pages, allowing anonymous visitors to execute form actions defined on login-restricted or unpublished pages.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.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST6.9MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS trend
Probability
0.56%
Chance of exploitation in the next 30 days
Percentile
46%
Versus all other CVEs
30-day change
+0.24 pp
From 0.32% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Getgrav1 product
- grav-plugin-form< 9.1.22
1 vendor · 1 product