How severe is CVE-2026-52756?

CVE-2026-52756 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.

Is CVE-2026-52756 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-52756?

CVE-2026-52756 affects Nsa Ghidra. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-52756?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-52756 have an EU (EUVD) identifier?

Yes. CVE-2026-52756 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36015.

When was CVE-2026-52756 published?

CVE-2026-52756 was published on 2026-06-10 and last updated on 2026-06-17.

CVE-2026-52756

CVE-2026-52756 is a medium-severity vulnerability in Nsa Ghidra with a CVSS 3.x base score of 4.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
CVSS v4: 6.3
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36015
Weakness: CWE-22
Affected product: Nsa Ghidra
Published: 2026-06-10
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-52756?: CVE-2026-52756 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.
Is CVE-2026-52756 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-52756?: CVE-2026-52756 affects Nsa Ghidra. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-52756?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-52756 have an EU (EUVD) identifier?: Yes. CVE-2026-52756 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36015.
When was CVE-2026-52756 published?: CVE-2026-52756 was published on 2026-06-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nsa:ghidra:*:*:*:*:*:*:*:*

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