CVE-2026-36723
HighCVSS 8.8Exploitation Probability (EPSS)
Elevated risk59th percentile - higher than 59% of all known CVEs
Summary
An unrestricted file rename vulnerability in the /api/create-user component of bookcars v8.3. Authenticated attackers can move files from temporary storage to arbitrary locations, enabling access to sensitive files, overwriting critical files, and remote code execution.
Risk Assessment
Risk of full server compromise by an authenticated attacker, including data theft and malicious code execution.
Recommendation
Update bookcars to a patched version or apply access restrictions to the API.
Other vulnerabilities in bookcars
See all- CVE-2026-36727Critical
An insecure authentication vulnerability in the /api/social-sign-in endpoint of bookcars v8.3. An attacker can bypass authentication using a forged JWT token.
- CVE-2026-36721Critical
A lack of cryptographic signature verification in the validateAccessToken function of bookcars v8.3 allows attackers to bypass authentication via a forged JWT token.
- CVE-2026-36726Medium
The /api/delete-temp-license/{file} endpoint in bookcars v8.3 allows unauthenticated attackers to delete arbitrary files via directory traversal sequences.
- CVE-2026-36722Medium
An authenticated arbitrary file upload vulnerability in the /api/create-car-image component of bookcars v8.3 allows attackers to execute arbitrary code via uploading a crafted file.
- CVE-2026-36720High
Insecure permissions in bookcars v8.3 allow authenticated attackers to escalate privileges from user to admin by modifying their user type.
Original NVD description (English source)
An unrestricted file rename vulnerability in the /api/create-user component of bookcars v8.3 allows authenticated attackers to leverage directory traversal sequences to move arbitrary files from temporary storage to arbitrary locations on the server filesystem. This enables unauthorized access to sensitive files, the overwriting of critical application files, and remote code execution (RCE).