Cyber Resilience

CVE-2026-43578

CriticalPublic PoC

Published: 06 May 2026

Published
06 May 2026
Modified
07 May 2026
KEV Added
Patch
CVSS Score v4 9.1 CVSS: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
EPSS Score 0.0029 20.6th percentile
Risk Priority 70 floored blend · peak EPSS

Summary

CVE-2026-43578 is a critical-severity Incomplete List of Disallowed Inputs (CWE-184) vulnerability in Openclaw Openclaw. Its CVSS base score is 9.1 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 20.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

OpenClaw versions 2026.3.31 before 2026.4.10 contain a privilege escalation vulnerability where heartbeat owner downgrade detection misses local background async exec completion events. Attackers can exploit this by providing untrusted completion content to leave a run in a more privileged context…

more

than intended.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
Why these techniques?

Explicit privilege escalation vulnerability allowing untrusted content to maintain elevated execution context.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2026-43566Same product: Openclaw Openclaw
CVE-2026-34426Same product: Openclaw Openclaw
CVE-2026-32017Same product: Openclaw Openclaw
CVE-2026-43584Same product: Openclaw Openclaw
CVE-2026-35638Same product: Openclaw Openclaw
CVE-2026-35663Same product: Openclaw Openclaw
CVE-2026-41404Same product: Openclaw Openclaw
CVE-2026-45006Same product: Openclaw Openclaw
CVE-2026-41344Same product: Openclaw Openclaw
CVE-2026-32057Same product: Openclaw Openclaw

Affected Assets

openclaw
openclaw
2026.3.31 — 2026.4.10

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-184

Spam filters rely on evolving blacklists, signatures, and heuristics of disallowed message patterns; keeping them updated per the control directly mitigates incomplete disallowed-input lists.

References