Ash: Private action arguments can be set by user input via string-keyed params and atomic changesets

Summary Ash fails to consistently strip private action arguments those declared with public?: false when a changeset is built from an untrusted parameter map. Private arguments are meant to be set only by trusted server-side code, but a caller who controls the parameters supplied to an action can...

CVE-2026-55736

Improperly Controlled Modification of Dynamically-Determined Object Attributes vulnerability in ash-project ash allows a user to set the value of a private action argument that is intended to be controlled only by trusted server-side code. Action arguments declared with public?: false are meant t...

EEF-CVE-2026-55736 Private action arguments can be set by user input in Ash

Summary Improperly Controlled Modification of Dynamically-Determined Object Attributes vulnerability in ash-project ash allows a user to set the value of a private action argument that is intended to be controlled only by trusted server-side code. Action arguments declared with public?: false are...