CVE-2026-43566
Privilege escalation in OpenClaw via untrusted webhook wake events.
Is CVE-2026-43566 being exploited?
Not confirmed. CVE-2026-43566 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.42% probability of exploitation in the next 30 days.
How severe is CVE-2026-43566?
CVE-2026-43566 is rated Critical with a CVSS score of 9.1. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-43566?
Yes. A fix has been recorded for CVE-2026-43566. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-43566 affect?
CVE-2026-43566 affects OpenClaw 2026.4.7 - 2026.4.13. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-43566?
Upgrade when patched; enable strict webhook validation.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Attackers can escalate to owner-like privileges by sending untrusted webhook wake events, bypassing downgrade.
Immediate action required
- affected>= 2026.4.7 and < 2026.4.14
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.