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CVE-2026-44002

vm2: Host File Path Disclosure via Stack Trace Information Leak

Published: May 13, 2026Updated: May 14, 2026 Sources: CVE List NVD BDUCWE-209
NVD MITRE
5.8CVSSMEDIUM
EPSS Score
0.2%
Top 85.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, vm2's CallSite wrapper class (intended as a safe wrapper for V8's native CallSite) blocks getThis() and getFunction() to prevent host object leakage, but allows getFileName() to return unsanitized host absolute paths. Any sandboxed code can extract the full directory structure, library paths, and framework versions of the host server. This vulnerability is fixed in 3.11.0.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:CC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-209

Affected Products

vm2Node.js FoundationOSS Libraries
vm2vm2 project
Library
OSS Libraries / npm
vm2patriksimek
Library
OSS Libraries / npm
node.js foundationoss-projectUSOSS Librariesaka nodejs foundation, node foundation
vm2 projectoss-projectOSS Librariesaka vm2
patriksimekoss-projectOSS Libraries

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Discovery
View detailed technique mapping

References

https://github.com/patriksimek/vm2/security/advisories/GHSA-v27g-jcqj-v8rw
github.com

Timeline

Published
May 13, 2026
Last Updated
May 14, 2026

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