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CVE-2026-86194

Grav Form Plugin before 9.1.22 Cross-Page Form Execution

MEDIUM
6.9
CVSS Score
Published: September 5, 2026 at 12:09 PM UTC
Updated: September 18, 2026 at 06:17 PM UTC
2 products affected across 1 vendorGravGrav Plugin Form

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Severity
MEDIUM6.9
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

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forms by name across pages, allowing anonymous visitors to execute form actions defined on login-restricted or unpublished pages.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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Grav· Getgravcomposer
95%
v < 9.1.22
Affected range stops below 9.1.22, so it looks safe — our inference, not a vendor statement
Grav Plugin Form· Getgrav
60%
v < 9.1.22
Vendor states this is fixed in 9.1.22 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor Advisory
Source: cverecord
https://github.com/getgrav/grav/security/advisories/GHSA-33m4-m988-5fvh
Third Party Advisory
Source: cverecord
https://www.vulncheck.com/advisories/grav-form-plugin-before-9.1.22-cross-page-form-execution

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.9MEDIUMVulnCheck
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-862

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