CVE-2026-52754 Ghidra < 12.1 - Authentication Bypass via Null Signature in PKIAuthenticationModule

High 8.7 Published Updated

Attackers with valid CA-signed certificates can bypass authentication in Ghidra to impersonate users, escalate privileges, and compromise shared reverse engineering databases.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-52754?

CVE-2026-52754 is a high-severity authentication bypass vulnerability in nationalsecurityagency ghidra, published on 10 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Ghidra before 12.1 contains an authentication bypass vulnerability in PKIAuthenticationModule.authenticate() that allows any user with a valid CA-signed certificate to impersonate other users by presenting their public certificate with a null signature. Attackers can escalate privileges, modify repository access controls, exfiltrate shared reverse engineering databases, and permanently compromise server integrity.

Weakness: CWE-347

Which versions are affected by CVE-2026-52754?

It affects 1 product.

Products include Nsa Ghidra.

How do I fix CVE-2026-52754?

No fix has been published for CVE-2026-52754 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-52754 being exploited?

There is no known exploitation of CVE-2026-52754 in the wild and no public exploit code.

Sources

Also known as GHSA-5wxq-7qpv-65p2.

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