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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-52754 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  VulnCheck
CVSS-B 8.7 HIGH
Vector:  CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/NationalSecurityAgency/ghidra/commit/78729379e471bbb3d969409be6a8c3d24af84220 VulnCheck Patch 
https://github.com/NationalSecurityAgency/ghidra/commit/79d8f164f8bb8b15cfb60c5d4faeb8e1c25d15ca VulnCheck Patch 
https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-5wxq-7qpv-65p2 VulnCheck Vendor Advisory 
https://www.vulncheck.com/advisories/ghidra-authentication-bypass-via-null-signature-in-pkiauthenticationmodule VulnCheck Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-347 Improper Verification of Cryptographic Signature VulnCheck  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-52754
NVD Published Date:
06/10/2026
NVD Last Modified:
06/11/2026
Source:
VulnCheck