CVE-2026-66648

Versions of Jawn up to and including 1.4.2 are vulnerable to an unauthenticated privilege escalation flaw that allows attackers to gain elevated access to system functionalities without proper authentication. This critical vulnerability, rated with a CVSS score of 9.8, poses a significant risk to any organization using affected versions, making it imperative for system administrators and security teams to prioritize immediate patching or mitigation efforts.