CVE-2026-52756 | Ghidra before 12.2 contains an unauthenticated path traversa… | CVSS 4.8 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.

Metadata

CVE ID: CVE-2026-52756
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-06-08 15:20 UTC
Published: 2026-06-10 12:41 UTC
Last updated: 2026-06-10 14:08 UTC
Primary CWE: CWE-22
Improper Limitation of a Pathname to a Restricted Directory …
Vendor / Product: nationalsecurityagency / ghidra
Sources: cve.org · NVD

Severity & Metrics

4.8 MEDIUM CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
nationalsecurityagency	ghidra	—	0 < 12.2, 12.2

Weakness (CWE)

CWE	Source	Description
CWE-22	cna	Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSS scores (2)

Score	Severity	Version	Source	Vector
6.3	MEDIUM	4.0	cna	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
4.8	MEDIUM	3.1	cna	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L

References (2)

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