CVE-2026-41329

9.0 criticalEPSS 0.3%

Critical (9.0) in openclaw openclaw. EPSS 0.3% chance of exploitation in the next 30 days. Fixed in openclaw 2026.3.31.

OpenClaw before 2026.3.31 contains a sandbox bypass vulnerability allowing attackers to escalate privileges via heartbeat context inheritance and senderIsOwner parameter manipulation. Attackers can exploit improper context validation to bypass sandbox restrictions and achieve unauthorized privilege escalation.

Severity

CVSS 4.0

9.0 critical

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

CVSS 3.1

9.9 critical

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 22% of CVEs (scores of 2026-10-31)
CWE: CWE-648
Published: 2026-04-21
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

openclaw:openclaw

Packages (OSV)

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-g5cg-8x5w-7jpm	npm	openclaw	<2026.3.31	2026.3.31

References

https://github.com/openclaw/openclaw/commit/a30214a624946fc5c85c9558a27c1580172374fd
https://github.com/openclaw/openclaw/security/advisories/GHSA-g5cg-8x5w-7jpm
https://www.vulncheck.com/advisories/openclaw-sandbox-bypass-via-heartbeat-context-inheritance-and-senderisowner-escalation

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