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vm2 sandbox escape via WebAssembly.compileStreaming Promise species bypass

CVE-2026-92956 affects vm2. CVSS base score 10.0 (GitHub Advisory Database). EPSS 0.00587 (percentile 0.46179), scored 2026-10-04. Affected range: >= 3.10.1, <= 3.11.6. Fixed version: 3.11.7.

Published 2026-10-05 23:14:24.960156+00:00

CVE

CVE-2026-92956

Product

vm2

CCR priority

40.1 /100 (P3)

CVSS

10.0 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H · GitHub Advisory Database

EPSS

0.00587 · percentile 0.46179 · 2026-10-04

KEV

no

Affected products

• vm2 · >= 3.10.1, <= 3.11.6 · Fixed version: 3.11.7

Provenance

• GitHub Advisory Database · Source record · observed 2026-10-05 23:10:51.172112+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-92956.html