PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-52754 nationalsecurityagency CVE debrief

CVE-2026-52754 is a HIGH-severity vulnerability in Ghidra, a software reverse engineering (SRE) framework developed by the National Security Agency (NSA). The vulnerability exists in the `PKIAuthenticationModule.authenticate()` method, which fails to properly validate certificates with null signatures. This allows an attacker with a valid CA-signed certificate to impersonate any other user, potentially leading to privilege escalation, unauthorized access to sensitive data, and compromise of server integrity.

Vendor
nationalsecurityagency
Product
ghidra
CVSS
HIGH 8.7
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-10
Original CVE updated
2026-06-11
Advisory published
2026-06-10
Advisory updated
2026-06-11

Who should care

Users of Ghidra versions prior to 12.1 should be aware of this vulnerability and take immediate action to patch their installations. This includes administrators, developers, and security teams responsible for managing and securing software development and reverse engineering tools.

Technical summary

The vulnerability is caused by inadequate validation of certificate signatures in the `PKIAuthenticationModule.authenticate()` method. Specifically, the method fails to reject certificates with null signatures, allowing attackers to bypass authentication and impersonate legitimate users. The vulnerability has a CVSS score of 8.7, indicating a HIGH level of severity.

Defensive priority

High

Recommended defensive actions

  • Upgrade to Ghidra version 12.1 or later to patch the vulnerability.
  • Review and restrict access to sensitive Ghidra features and data.
  • Monitor Ghidra installations for suspicious activity.

Evidence notes

The CVE record and associated metadata provide evidence of the vulnerability's existence and impact. The vendor, NSA, has released patches for the vulnerability, which are available on GitHub.

Official resources

CVE-2026-52754 was published on 2026-06-10T14:16:35.603Z and modified on 2026-06-11T19:52:14.750Z.