TI-2026-37872 Aliases CVE-2026-52754

Ghidra < 12.1 - Authentication Bypass via Null Signature in PKIAuthenticationModule

LOW 39CWE-347Published 2026-06-10 · Updated 2026-07-14

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-347.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00252 16th percentileScored 2026-11-07

Fix Fixed ghidra (nationalsecurityagency): 12.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
NationalSecurityAgency	ghidra	before 12.1	12.1	Patch available	CNA

ghidra VendorNationalSecurityAgency Affected before 12.1 Fixed in 12.1 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:nsa:ghidra::::::::	before 12.1	Vulnerable	NationalSecurityAgency

cpe:2.3:a:nsa:ghidra:*:*:*:*:*:*:*:* Versions before 12.1 Vulnerable ·NationalSecurityAgency

Remediation

Fix · CNA ghidra (nationalsecurityagency) Fixed in 12.1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2026-06-10
nationalsecurityagency ghidra 12.1
9 records Highest priority Priority HIGH 1 HIGH, 4 MEDIUM, 4 LOW
Other records, highest priority first
- TI-2026-37876 Ghidra < 12.1 - SQL Injection via Unescaped Filter Values in BSim SearchPriority HIGH 73
- TI-2026-36646 Ghidra < 12.1 - Heap-Use-After-Free in SleighBuilder::generatePointerAdd via Vector ReallocationPriority MEDIUM 64
- TI-2026-36645 Ghidra 10.2 < 12.1 - Denial of Service via Circular Reference in Mach-O Export Trie ParserPriority MEDIUM 63
Show all 9 records →

Timeline

2026-10-02 Threatist record created from CVE-2026-52754
2026-10-25 Priority changed: MEDIUM → LOW

References

Patch 2

Advisory 1

GitHub Security Advisory (GHSA-5wxq-7qpv-65p2)

TI-2023-08846 Ghidra/RuntimeScripts/Linux/support/launch.sh in NSA Ghidra through 10.2.2 passes… CVSS 3.1CRITICAL 9.8
TI-2026-37876 Ghidra < 12.1 - SQL Injection via Unescaped Filter Values in BSim Search CVSS 4.0HIGH 8.7
TI-2026-04310 NSA Ghidra Auto-Analysis Annotation Command Execution CVSS 3.1HIGH 8.8
TI-2026-37873 Ghidra < 12.0.4 - Path Traversal via Zip Slip in Theme Import CVSS 4.0HIGH 8.4
TI-2026-37870 Ghidra < 12.0.2 - Path Traversal in Extension Installer via ZIP Entry Names CVSS 4.0HIGH 8.4
TI-2026-36646 Ghidra < 12.1 - Heap-Use-After-Free in SleighBuilder::generatePointerAdd via Vector Reallocation CVSS 4.0MEDIUM 6.9

See all 30 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences