CVE-2026-52756

MEDIUM 4.8

Ghidra < 12.2 - Unauthenticated Path Traversal in Debugger ISF Server

CVSS Score

4.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-22
Vendor	nationalsecurityagency
Product	ghidra
Published	Jun 10, 2026
Last Updated	Jun 10, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

Low

Affected Versions

nationalsecurityagency / ghidra

0 < 12.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-8pr2-46mf-v2r2 vulncheck.com: https://www.vulncheck.com/advisories/ghidra-unauthenticated-path-traversal-in-debugger-isf-server

Credits

🔍 Sean Nejad (@allsmog)