Security researchers have identified a critical severity vulnerability impacting the popular Node.js sandboxing library vm2. Tracked as CVE-2026-26956, successful exploitation of the vulnerability allows an attacker to escape the sandbox and execute arbitrary code on the host system. Proof-of-concept code for the vulnerability is publicly available. vm2 is a widely used JavaScript sandbox that can run untrusted code with allowed Node’s built-in modules. Sandboxes are used in modern applications for a variety of functions.
Tag: vm2
Vm2 Patches Critical Remote Code Execution Vulnerabilities in JavaScript Sandbox Library (CVE-2023-30547 and CVE-2023-29199)
Two critical vulnerabilities affecting its JavaScript Sandbox Library are addressed by vm2. Both the vulnerabilities CVE-2023-29199 and CVE-2023-30547 are given a CVSS score of 9.8. Successful exploitation of these vulnerabilities may allow an attacker to perform remote code execution. Seung Hyun Lee) of KAIST Hacking Lab has discovered the vulnerabilities and released proof-of-concept (PoC) (CVE-2023-29199 … Continue reading “Vm2 Patches Critical Remote Code Execution Vulnerabilities in JavaScript Sandbox Library (CVE-2023-30547 and CVE-2023-29199)”
vm2 JavaScript Sandbox Library Remote Code Execution Vulnerability (CVE-2023-29017)
vm2 has released a patch for a critical severity vulnerability (CVE-2023-29017) with a CVSS score of 9.8. Korea Advanced Institute of Science and Technology (KAIST) WSP Lab has discovered the vulnerability. The vulnerability originates from improper input handling of host objects. A proof-of-concept exploit has been made public on GitHub, explaining the severity and … Continue reading “vm2 JavaScript Sandbox Library Remote Code Execution Vulnerability (CVE-2023-29017)”
vm2 NPM Package Remote Code Execution Vulnerability (CVE-2022-36067) (Sandbreak)
Security researchers from Oxeye have discovered a critical remote code execution flaw in vm2, a JavaScript sandbox library. Tracked as CVE-2022-36067, the flaw has been given a CVSS score of 10. On successful exploitation, this flaw could allow attackers to escape the vm2 sandbox environment and run shell commands on the machine hosting the sandbox. … Continue reading “vm2 NPM Package Remote Code Execution Vulnerability (CVE-2022-36067) (Sandbreak)”