CVE-2026-47266: formie's unauthenticated front-end submission editing can overwrite existing submissions

May 29, 2026

Unauthenticated users could modify existing submissions by posting a known or guessed submission ID to formie/submissions/save-submission.

References

github.com/advisories/GHSA-pgxq-p76c-x9cg
github.com/verbb/formie/releases/tag/2.2.21
github.com/verbb/formie/releases/tag/3.1.26
github.com/verbb/formie/security/advisories/GHSA-pgxq-p76c-x9cg
nvd.nist.gov/vuln/detail/CVE-2026-47266

Code Behaviors & Features

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