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vm2: `allowAsync: false` can be bypassed through Promise thenable assimilation in VM and NodeVM

CVE-2026-92959 affects vm2. CVSS base score 7.1 (GitHub Advisory Database). EPSS 0.00449 (percentile 0.36763), scored 2026-10-04. Affected range: <= 3.11.7. Fixed version: 3.11.8.

Published 2026-10-05 23:14:25.884371+00:00

CVE

CVE-2026-92959

Product

vm2

CCR priority

28.5 /100 (P4)

CVSS

7.1 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H · GitHub Advisory Database

EPSS

0.00449 · percentile 0.36763 · 2026-10-04

KEV

no

Affected products

• vm2 · <= 3.11.7 · Fixed version: 3.11.8

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-2026-92959.html