CVE-2026-36721

Published Jun 9, 2026

Last updated 5 days ago

CVSS critical 9.8

Overview

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.
Source
cve@mitre.org
NVD status
Deferred

Risk scores

CVSS 3.1

Type
Secondary
Base score
9.8
Impact score
5.9
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity
CRITICAL

Weaknesses

134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-347

Social media

Hype score
Not currently trending

References

Sources include official advisories and independent security research.