Prototype pollution in @feathersjs/commons _.merge via JSON-parsed __proto__

Impact The .mergetarget, source utility exported by @feathersjs/commons recursively merges source into target by iterating Object.keyssource. When source was produced by JSON.parse and contains a proto or constructor / prototype key, that key is returned as an own-enumerable property. The recursi...

PT-2026-60100

Name of the Vulnerable Software and Affected Versions @feathersjs/commons versions prior to 5.0.45 Description The .mergetarget, source utility recursively merges a source object into a target object by iterating through Object.keyssource. If the source object is generated via JSON.parse and...