Vulnerability Description
A lack of cryptographic signature verification in the validateAccessToken function of bookcars v8.3 allows attackers to bypass authentication via a forged JWT token.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Related Weaknesses (CWE)
References
- https://github.com/CC-T-454455/Vulnerabilities/tree/master/bookcars/vulnerabilit
- https://github.com/CC-T-454455/Vulnerabilities/tree/master/bookcars/vulnerabilit
FAQ
What is CVE-2026-36721?
CVE-2026-36721 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A lack of cryptographic signature verification in the validateAccessToken function of bookcars v8.3 allows attackers to bypass authentication via a forged JWT token.
How severe is CVE-2026-36721?
CVE-2026-36721 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-36721?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.