EUVD-2026-36009Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary rating from Vendor (VulnCheck) · only source for this CVE.
CVSS VectorVendor: VulnCheck
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
6DescriptionCVE.org
Ghidra before 12.1 contains an unsafe deserialization vulnerability in client-side Shared-Project RMI connection code that allows unauthenticated remote code execution. Attackers can craft a malicious project file with a ghidra:// URL that, when opened via File → Open Project, deserializes untrusted objects using a Jython 2.7.4 gadget chain to execute arbitrary commands.
AnalysisAI
Remote code execution in NSA Ghidra before version 12.1 allows attackers to execute arbitrary commands when a user opens a malicious shared-project file containing a ghidra:// URL, triggering unsafe Java deserialization in the client-side Shared-Project RMI connection code. Exploitation leverages a Jython 2.7.4 gadget chain and requires only user interaction (opening the crafted project), with no authentication needed. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The victim must open a malicious project file or follow a ghidra:// URL via File → Open Project in a Ghidra version before 12.1 - this triggers the client-side Shared-Project RMI deserialization path; the Jython 2.7.4 interpreter that supplies the gadget chain is bundled with Ghidra so no additional configuration is required. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H) yields 8.6 and reflects a network-reachable, low-complexity, unauthenticated bug whose only friction is active user interaction - a Ghidra analyst must open the malicious project file. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker targeting a malware analyst sends a phishing email with a Ghidra project file purporting to contain a sample worth investigating, or hosts a ghidra:// link on a researcher-themed site. When the analyst chooses File → Open Project and selects the crafted file, the client-side RMI code deserializes attacker-controlled objects through a Jython 2.7.4 gadget chain and executes arbitrary commands as the analyst's user, granting a foothold on a workstation that typically holds sensitive samples, internal tooling, and source code. |
| Remediation | Vendor-released patch: upgrade to Ghidra 12.1 or later, which is available from the NationalSecurityAgency/ghidra GitHub releases and is referenced by the GitHub Security Advisory at https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-fgg5-g275-7742 and fixing commit 91a269103fe5d133c14ec3afa60280dccb94be5c. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Inventory all Ghidra installations and document current version numbers across development and security teams. …
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