CVE-2026-52756 Ghidra < 12.2 - Unauthenticated Path Traversal in Debugger ISF Server

What is CVE-2026-52756?

CVE-2026-52756 is a medium-severity path traversal vulnerability in nationalsecurityagency ghidra, published on 10 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Ghidra before 12.2 contains an unauthenticated path traversal vulnerability in the IsfServer that accepts TCP connections and passes client-supplied namespace strings directly to filesystem operations without validation. Remote attackers can connect to port 54321 and send crafted protobuf messages with traversal sequences to enumerate filesystem paths and probe arbitrary files.

Weakness: CWE-22

Which versions are affected by CVE-2026-52756?

It affects 1 product.

Products include Nsa Ghidra.

How do I fix CVE-2026-52756?

No fix has been published for CVE-2026-52756 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-52756 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-52756 exists.

Other vulnerabilities in nationalsecurityagency ghidra

• CVE-2023-22671 Command injection in n/a Critical 9.8
• CVE-2019-16941 XML external entity in n/a Critical 9.8
• CVE-2019-13625 XML external entity in n/a Critical 9.1
• CVE-2026-4946 NSA Ghidra Auto-Analysis Annotation Command Execution High 8.8
• CVE-2026-49498 Ghidra 11.0 < 12.1 - SQL Injection in PostgreSQL Password Change via Unescaped Username High 8.7

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-8pr2-46mf-v2r2.