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CVE-2026-43566

OpenClaw 2026.4.7 < 2026.4.14 - Privilege Escalation via Untrusted Webhook Wake Events

9.1 CriticalFix available

OpenClaw versions 2026.4.7 before 2026.4.14 contain a privilege escalation vulnerability where heartbeat owner downgrade logic skips webhook wake events carrying untrusted content. Attackers can exploit this by sending untrusted webhook wake events to preserve owner-like execution context when the run should have been downgraded.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
None

Exploit likelihood

0.42%Up 0.3 points since May 5, 2026
90%50%10%1%

What each source reports

CVE List Score used 9.1

OpenClaw 2026.4.7 < 2026.4.14 - Privilege Escalation via Untrusted Webhook Wake Events

OpenClaw versions 2026.4.7 before 2026.4.14 contain a privilege escalation vulnerability where heartbeat owner downgrade logic skips webhook wake events carrying untrusted content. Attackers can exploit this by sending untrusted webhook wake events to preserve owner-like execution context when the run should have been downgraded.

Record
CVE-2026-43566
CVSS 4.0
9.1 CriticalCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS 3.1
9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness
CWE-184
Updated
2026-11-02
EUVDEUVD-2026-27283 9.1

OpenClaw versions 2026.4.7 before 2026.4.14 contain a privilege escalation vulnerability where heartbeat owner downgrade logic skips webhook wake events carrying untrusted content. Attackers can exploit this by sending untrusted webhook wake events to preserve owner-like execution context when the run should have been downgraded.

Record
EUVD-2026-27283
CVSS 4.0
9.1 CriticalCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-g2hm-779g-vm32 6.0

OpenClaw: Heartbeat owner downgrade missed untrusted webhook wake events

Summary

Heartbeat owner downgrade missed untrusted webhook wake events.

Affected Packages / Versions

  • Package: openclaw
  • Ecosystem: npm
  • Affected versions: >= 2026.4.7 < 2026.4.14
  • Patched versions: >= 2026.4.14

Impact

Heartbeat owner downgrade logic could skip webhook wake events carrying untrusted content, preserving owner-like execution context where the run should have been downgraded.

Technical Details

The fix includes wake and hook event reasons in owner-downgrade inspection and forces downgrade for untrusted hook wake events.

Fix

The issue was fixed in #66031. The first stable tag containing the fix is v2026.4.14, and [email protected] includes the fix.

Fix Commit(s)

  • 31281bc92f55796817a92bc43f722cba1e77ab42
  • PR: #66031

Release Process Note

Users should upgrade to openclaw 2026.4.14 or newer. The latest npm release, 2026.4.14, already includes the fix.

Credits

Thanks to @zsxsoft, with sponsorship from @KeenSecurityLab and @qclawer for reporting this issue.

Record
GHSA-g2hm-779g-vm32
CVSS 4.0
6.0 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS 3.1
9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness
CWE-184, CWE-863
Updated
2026-11-02
NVD 9.1

OpenClaw versions 2026.4.7 before 2026.4.14 contain a privilege escalation vulnerability where heartbeat owner downgrade logic skips webhook wake events carrying untrusted content. Attackers can exploit this by sending untrusted webhook wake events to preserve owner-like execution context when the run should have been downgraded.

Record
CVE-2026-43566
CVSS 4.0
9.1 CriticalCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-184
Updated
2026-11-02
OSV 9.1

OpenClaw 2026.4.7 < 2026.4.14 - Privilege Escalation via Untrusted Webhook Wake Events

OpenClaw versions 2026.4.7 before 2026.4.14 contain a privilege escalation vulnerability where heartbeat owner downgrade logic skips webhook wake events carrying untrusted content. Attackers can exploit this by sending untrusted webhook wake events to preserve owner-like execution context when the run should have been downgraded.

Record
CVE-2026-43566
CVSS 4.0
9.1 CriticalCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Weakness
CWE-184
Updated
2026-11-02
OSVGHSA-g2hm-779g-vm32 6.0

OpenClaw: Heartbeat owner downgrade missed untrusted webhook wake events

Summary

Heartbeat owner downgrade missed untrusted webhook wake events.

Affected Packages / Versions

  • Package: openclaw
  • Ecosystem: npm
  • Affected versions: >= 2026.4.7 < 2026.4.14
  • Patched versions: >= 2026.4.14

Impact

Heartbeat owner downgrade logic could skip webhook wake events carrying untrusted content, preserving owner-like execution context where the run should have been downgraded.

Technical Details

The fix includes wake and hook event reasons in owner-downgrade inspection and forces downgrade for untrusted hook wake events.

Fix

The issue was fixed in #66031. The first stable tag containing the fix is v2026.4.14, and [email protected] includes the fix.

Fix Commit(s)

  • 31281bc92f55796817a92bc43f722cba1e77ab42
  • PR: #66031

Release Process Note

Users should upgrade to openclaw 2026.4.14 or newer. The latest npm release, 2026.4.14, already includes the fix.

Credits

Thanks to @zsxsoft, with sponsorship from @KeenSecurityLab and @qclawer for reporting this issue.

Record
GHSA-g2hm-779g-vm32
CVSS 4.0
6.0 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS 3.1
9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness
CWE-184, CWE-863
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
openclaw
npm
 2026.4.7 up to 2026.4.14
2026.4.14

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-43566 is a critical vulnerability (CVSS 9.1) in Openclaw, published April 17, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.42%, the 36th percentile. Fixed in openclaw 2026.4.14.

References

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