CVE-2026-84367 | hapijs joi up to 17.13.4/18.2.3 Rename lib/types/keys.js internals.rename key prototype pollution

A vulnerability marked as critical has been reported in hapijs joi up to 17.13.4/18.2.3. Affected by this issue is the function internals.rename of the file lib/types/keys.js of the component Rename. This manipulation of the argument key causes improperly controlled modification of object prototype attributes.

The identification of this vulnerability is CVE-2026-84367. It is possible to initiate the attack remotely. There is no exploit available.

It is suggested to upgrade the affected component.VulDB Recent EntriesRead More