GitHub Advisoryadvisory · Packagist

GHSA-pgxq-p76c-x9cg formie's unauthenticated front-end submission editing can overwrite existing submissions

HIGH Published 2026-05-29 Modified 2026-05-29 Official page ↗
Aliases
CVE-2026-47266
Ecosystem
Packagist
Packages
verbb/formie
Severity
High
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/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
Weaknesses
CWE-639
Reviewed
2026-05-29

Affected packages

• Packagist verbb/formie: >= 3.0.0, < 3.1.26 → fixed in 3.1.26 • Packagist verbb/formie: < 2.2.21 → fixed in 2.2.21

Description

Impact Unauthenticated users could modify existing submissions by posting a known or guessed submission ID to `formie/submissions/save-submission`. Patches 2.2.21, 3.1.26 Workarounds Block unauthenticated access to `actions/formie/submissions/save-submission`, or disable/customize front-end submission editing until patched. Credit formie extends many thanks to: • Florian (Cyber Security Engineer, arcade solutions ag) • Contact: [email protected]

Related

Alias · CVE (1)

  • CVE-2026-47266 Formie is a Craft CMS plugin for creating forms. vulnerability

Weakness · CWE (1)

  • CWE-639 Authorization Bypass Through User-Controlled Key weakness

References