Mongoose: Prototype pollution in mongoose update casting via __proto__-prefixed dotted path (Schema._getSchema/path getter)

Impact What kind of vulnerability is it? Who is impacted? Prototype pollution in update casting: passing a user-controlled update to a Mongoose update, like MyModel.updateOnefilter, req.body, can cause Mongoose to set $fullPath and $parentSchemaDocArray on Object.prototype. Example: javascript...

GHSA-664H-WQGQ-64GW Mongoose: Prototype pollution in mongoose update casting via __proto__-prefixed dotted path (Schema._getSchema/path getter)

Impact What kind of vulnerability is it? Who is impacted? Prototype pollution in update casting: passing a user-controlled update to a Mongoose update, like MyModel.updateOnefilter, req.body, can cause Mongoose to set $fullPath and $parentSchemaDocArray on Object.prototype. Example: javascript...

CVE-2026-46509

deepobj provides get, set, delete deep objects in javascript. Prior to 1.0.3, prototype pollution is possible when property paths contain proto/constructor/prototype. The property path must not be exposed as user input. This vulnerability is fixed in 1.0.3...

CVE-2026-46509

deepobj provides get, set, delete deep objects in javascript. Prior to 1.0.3, prototype pollution is possible when property paths contain proto/constructor/prototype. The property path must not be exposed as user input. This vulnerability is fixed in 1.0.3...

nodejs-dot-prop: prototype pollution

A prototype pollution flaw was found in nodejs-dot-prop. The function set could be tricked into adding or modifying properties of Object.prototype using any of the constructor, prototype, or proto paths. The highest threat from this vulnerability is to data confidentiality and integrity as well a...