CVE-2026-92953 — vm2 3.11.0 through 3.11.7 Prototype Pollution via TypedArray
vm2 versions from 3.11.0 before 3.11.8 fail to protect host TypedArray and ArrayBuffer prototypes from sandbox mutation. Attackers can use prototype-walking primitives to reach …
Published: 2026-09-17 · CVSS: 9.3 · CVSS 4.0
vm2 versions from 3.11.0 before 3.11.8 fail to protect host TypedArray and ArrayBuffer prototypes from sandbox mutation. Attackers can use prototype-walking primitives to reach and modify host Uint8Array.prototype, %TypedArray%.prototype, and ArrayBuffer.prototype, causing host-created typed arrays to observe attacker-controlled properties after VM.run() returns.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7