CVE-2026-42300: DevGuard has an unauthenticated identity assertion via `X-Admin-Token` header
CRITICAL
CVSS 9.5
Exploit Available
2 PoC
Published: May 5, 2026 | Last Modified: May 5, 2026
Description
DevGuard has an unauthenticated identity assertion via `X-Admin-Token` header
Ghostwire Analysis — What This Means Practically
- Critical CVSS score indicates maximum severity — remote code execution, authentication bypass, or complete system compromise is likely possible.
- 2 proof-of-concept exploits available on GitHub. Public exploit code lowers the barrier for both researchers and attackers.
This analysis is generated by Ghostwire from NVD, CISA KEV, EPSS, and open-source intelligence data. Verify findings through primary sources before acting.
Proof-of-Concept Exploits (2)
References