CVE-2026-44003

A flaw was found in vm2 before 3.11.0. A code transformer fast-path skips AST analysis when catch, import, and async are absent, allowing direct access to VM2INTERNALSTATEDONOTUSEORPROGRAMWILLFAIL and internal security functions handleException, wrapWith, import. Fixed in 3.11.0...

CVE-2026-44003

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, vm2's code transformer has a performance optimization that skips AST analysis when the code does not contain catch, import, or async keywords. This fast-path bypass allows sandboxed code to directly access the internal...

CVE-2026-44003 vm2: Transformer Fast-Path Bypass Exposes Internal State Variable

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, vm2's code transformer has a performance optimization that skips AST analysis when the code does not contain catch, import, or async keywords. This fast-path bypass allows sandboxed code to directly access the internal...

Improper Isolation or Compartmentalization

Overview vm2 is a sandbox that can run untrusted code with whitelisted Node's built-in modules. Affected versions of this package are vulnerable to Improper Isolation or Compartmentalization through the setupSandboxScript bootstrap in lib/vm.js and lib/setup-sandbox.js. An attacker can read the...

GHSA-2CM2-M3W5-GP2F vm2 has access to `VM2_INTERNAL_STATE_DO_NOT_USE_OR_PROGRAM_WILL_FAIL`

Summary https://github.com/patriksimek/vm2/security/advisories/GHSA-wp5r-2gw5-m7q7 is not fully patched. Details It is still possible to get access to VM2INTERNALSTATEDONOTUSEORPROGRAMWILLFAIL. PoC js const VM = require"vm2"; const vm = new VM; console.logvm.run...

GHSA-WP5R-2GW5-M7Q7 vm2's Transformer Fast-Path Bypass Exposes Internal State Variable

Summary vm2's code transformer has a performance optimization that skips AST analysis when the code does not contain catch, import, or async keywords. This fast-path bypass allows sandboxed code to directly access the internal VM2INTERNALSTATEDONOTUSEORPROGRAMWILLFAIL variable, which exposes...

vm2's Transformer Fast-Path Bypass Exposes Internal State Variable

Summary vm2's code transformer has a performance optimization that skips AST analysis when the code does not contain catch, import, or async keywords. This fast-path bypass allows sandboxed code to directly access the internal VM2INTERNALSTATEDONOTUSEORPROGRAMWILLFAIL variable, which exposes...

Improper Isolation or Compartmentalization

Overview vm2 is a sandbox that can run untrusted code with whitelisted Node's built-in modules. Affected versions of this package are vulnerable to Improper Isolation or Compartmentalization through the transformer fast-path in the source instrumentation logic. An attacker can expose the internal...

PT-2026-38394

Name of the Vulnerable Software and Affected Versions vm2 versions prior to 3.11.0 Description A performance optimization in the code transformer skips AST Abstract Syntax Tree analysis when the code does not contain the keywords catch, import, or async. This fast-path bypass allows sandboxed cod...

CVE-2021-43848

h2o is an open source http server. In code prior to the 8c0eca3 commit h2o may attempt to access uninitialized memory. When receiving QUIC frames in certain order, HTTP/3 server-side implementation of h2o can be misguided to treat uninitialized memory as HTTP/3 frames that have been received. Whe...

PT-2024-11692 · Unknown · Livebox Collaboration Vdesk

Name of the Vulnerable Software and Affected Versions: LIVEBOX Collaboration vDesk versions through v031 Description: An issue was discovered in LIVEBOX Collaboration vDesk, where an Observable Response Discrepancy can occur under the "/api/v1/vdeskintegration/user/isenableuser" endpoint, the...

LIVEBOX Collaboration vDesk Security Vulnerability

LIVEBOX Collaboration vDesk is an application from LIVEBOX, Inc. A security vulnerability exists in LIVEBOX Collaboration vDesk v031 and later versions, which originates in the /api/v1/vdeskintegration/user/isenableuser, /login endpoints that provide different responses to incoming requests,...

UBUNTU-CVE-2021-43848

h2o is an open source http server. In code prior to the 8c0eca3 commit h2o may attempt to access uninitialized memory. When receiving QUIC frames in certain order, HTTP/3 server-side implementation of h2o can be misguided to treat uninitialized memory as HTTP/3 frames that have been received. Whe...

h2o 安全漏洞

h2o is a new generation of HTTP server. Not only is it very fast compared to older generation HTTP servers, but it also provides faster responses to end users. A security vulnerability exists in h2o, which stems from the fact that when QUIC frames are received in a particular order, h2o's HTTP/3...