Critical vm2 sandbox bug lets attackers execute code on hosts
A critical vulnerability in the popular Node.js sandboxing library vm2 allows escaping the sandbox and executing arbitrary code on the host system.
Grace Ops
triage-ready iocs + detections
fresh
1
IOC Workbench
typed indicators with fast copy and export actions
3 total
uhttps://www.bleepingcomputer.com/news/security/critical-vm2-sandbox-bug-lets-attackers-execute-code-on-hosts/
dNode.js
dwww.bleepingcomputer.com
3 indicators staged for handoff.
2
Rule Studio
starter detections generated from this IOC set
2 formats
!Draft output: validate and tune before production rollout.
sigmadraft
title: AHackaday IOC starter detection
id: ahackaday-2026-05-06-critical-vm2-sandbox-bug-lets-attackers-execute-code-on-hosts-a7cd8af6
description: IOC starter rule for Critical vm2 sandbox bug lets attackers execute code on hosts
status: experimental
author: ahackaday
logsource:
product: network
detection:
selection_iocs:
- "https://www.bleepingcomputer.com/news/security/critical-vm2-sandbox-bug-lets-attackers-execute-code-on-hosts/"
- "Node.js"
- "www.bleepingcomputer.com"
condition: selection_iocs
falsepositives:
- unknown
level: high
coverage
yaradraft
rule ahackaday_2026_05_06_critical_vm2_sandbox_bug_lets_attackers_execute_code_on_hosts_a7cd8af6
{
meta:
description = "IOC starter for Critical vm2 sandbox bug lets attackers execute code on hosts"
author = "ahackaday"
strings:
$ioc1 = "https://www.bleepingcomputer.com/news/security/critical-vm2-sandbox-bug-lets-attackers-execute-code-on-hosts/" nocase
$ioc2 = "Node.js" nocase
$ioc3 = "www.bleepingcomputer.com" nocase
condition:
any of them
}
coverage
3
Response Tracks
fast operational tracks from this incident snapshot
4 tracks
source-backed 1 refs
audit trail / provenance3
Provenance
Claims tie surfaced fields back to sources, models, or heuristics.
- severity.upliftheuristicn/aCVE or advisory identifiers detected — floor raised to at least high.
- severity.upliftheuristicn/aActive exploitation / in-the-wild language detected — floor raised to at least high.
- severity.upliftheuristicn/aCombined zero-day/exploit + ransomware/mass-impact signals → critical.
What changed
Append-only revisions when ingest or analysts evolve the record.
No revision rows stored yet.
Sources
Curated May 06, 2026 by the ahackaday team./Sources verified./Brief grounded in 1 source.
discussion
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