CVE-2026-47266

High

Description

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.

SeverityHigh

CVSS8.7

Exploit probability—

ProductVerbb/formie

PublishedMay 29, 2026

First seenMay 29, 2026

Weakness typeCWE-639Authorization bypass through user-controlled key

How to fix

Update

verbb/formie3.1.26, 2.2.21 or later

Affected products

Product	Affected versions	Fixed in
verbb/formiePackagist	3.0.0 ≤ v < 3.1.26, v < 2.2.21	3.1.26, 2.2.21

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