CVE-2026-52754: Ghidra before 12.1 contains an authentication bypass vulnerability in PKIAuthenticationModule.authenticate() t

Q: How do I fix CVE-2026-52754?

ghidra: upgrade to 12.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-52754 being exploited?

CVE-2026-52754 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-52754 affect?

CVE-2026-52754 affects ghidra. Severity is high (CVSS 8.8). 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 nu

Routine

HIGH 8.8UPGRADE

CVE-2026-52754 is a high-severity flaw (CVSS 8.8) affecting ghidra. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 83%)
CISA exploited list	No
Weakness	CWE-347
Published	2026-06-10
Last modified	2026-10-26

Publisher (CNA): VulnCheck · Vendor: nsa

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-10 14:16 UTCPublished CVE record published
2026-10-26 11:10 UTCUpdated Record last modified

nsa ghidra UPGRADE

Affected: < 12.1

Fixed in: 12.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ghidra || rpm -q ghidra || ghidra --version

2. UPGRADE to 12.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ghidra

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ghidra

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-52754?

ghidra: upgrade to 12.1. Exact commands for each OS are on this page.

Is CVE-2026-52754 being exploited?

CVE-2026-52754 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-52754 affect?

CVE-2026-52754 affects ghidra. Severity is high (CVSS 8.8). 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 nu

How urgent is CVE-2026-52754?

Priority 35/100. High severity

Related CVEs

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CVE-2026-52750 HIGH 7.8 UPGRADE Ghidra before 12.1 contains a command injection vulnerability in URL annotation handling on Windows where cmd.
CVE-2026-52756 MEDIUM 4.8 UPGRADE Ghidra before 12.2 contains an unauthenticated path traversal vulnerability in the IsfServer that accepts TCP
CVE-2026-49498 HIGH 8.8 UPGRADE Ghidra 11.0 before 12.1 contains a SQL injection vulnerability in the changePassword() method of PostgresFunct
CVE-2026-52752 HIGH 7.8 UPGRADE Ghidra before 12.0.2 contains a path traversal vulnerability in the extension installer that fails to validate

References

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