CVE-2026-47266 PUBLISHED

Formie: Unauthenticated front-end submission editing can overwrite existing submissions

Assigner: GitHub_M
Reserved: 18.05.2026 Published: 29.05.2026 Updated: 29.05.2026

Formie is a Craft CMS plugin for creating forms. Prior to 2.2.21 and 3.1.26, unauthenticated users could modify existing submissions by posting a known or guessed submission ID to formie/submissions/save-submission. This vulnerability is fixed in 2.2.21 and 3.1.26.

Metrics

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
CVSS Score: 8.7

Product Status

Vendor verbb
Product formie
Versions
  • Version < 2.2.21 is affected
  • Version >= 3.0.0-beta.1, < 3.1.26 is affected

References

Problem Types

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