CVE-2026-52756

Medium

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.

SeverityMedium

CVSS4.8

Exploit probability—

ProductNsa Ghidra

PublishedJun 10, 2026

First seenJun 10, 2026

Weakness typeCWE-22Path traversal

How to fix

Vendor advisories

github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-8pr2-46mf-v2r2

Affected products

Product	Affected versions	Fixed in
nsa ghidra	v ≤ 12.1.2	—

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