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CVE-2026-43566

Openclaw privilege escalation

9.1 CRITICALEPSS 0.73%
  1. Published5 May 2026

Description

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

Openclaw≥ 2026.4.7 < 2026.4.14

Remediation

Fixed in
Openclaw≥ 2026.4.14

References

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Frequently asked

Is CVE-2026-43566 being actively exploited?

CVE-2026-43566 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.73%.

How severe is CVE-2026-43566?

CVE-2026-43566 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.73% probability of exploitation.

Which products are affected by CVE-2026-43566?

Affected products include Openclaw.

How do I fix CVE-2026-43566?

Upgrade affected software to a fixed version, for example Openclaw 2026.4.14 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-43566 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.