Path Traversal in Nationalsecurityagency Ghidra
CVE-2026-52756
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L.
EPSS exploit prediction
EPSS: 0.006 (48.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Nationalsecurityagency Ghidra — versions 0, 12.2
- Nsa Ghidra
Weakness classification (CWE)
References
- github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-8pr2-46mf-v2r2 (Exploit, vendor-advisory, Vendor Advisory)
- www.vulncheck.com/advisories/ghidra-unauthenticated-path-traversal-in-debugger-… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-52756?
- CVE-2026-52756 is a medium-severity vulnerability in Nationalsecurityagency Ghidra, classified under Path Traversal. CVSS score: 4.8/10. Published 2026-06-10.
- How severe is CVE-2026-52756?
- Medium severity. CVSS v3 base score is 4.8 out of 10.