CVE-2026-36721
A security flaw in the bookcars software allows an attacker to bypass authentication by using a forged digital token. This happens because the system fails to properly verify the cryptographic signature of the access token.
No official fix yet. If none appears within 45 days of first tracking, this entry is removed automatically.
Who is affected
Users of bookcars version 8.3.
Real-world impact
An attacker could gain unauthorized access to the system by creating their own fake credentials, potentially allowing them to perform any action the software permits.
Why this severity
This vulnerability is rated critical because it can be exploited remotely over a network without any user interaction or prior access, and it allows for complete loss of confidentiality, integrity, and availability.
What to do about it
No official fix or mitigation is documented in the sources yet. Monitor the vendor advisory and apply the patch as soon as it is released.
No fix documented in sources
Timeline
- Jun 9, 2026 · Jun 9, 2026PublishedDisclosed and added to the National Vulnerability Database.
- Jul 23, 2026 · 12d agoAdvisory updatedThe NVD record was last revised.