Cyber Resilience

CVE-2026-43584

HighPublic PoC

Published: 06 May 2026

Published
06 May 2026
Modified
07 May 2026
KEV Added
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Patch
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CVSS Score v4 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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 0.0039 31.1th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-43584 is a high-severity Incomplete List of Disallowed Inputs (CWE-184) vulnerability in Openclaw Openclaw. Its CVSS base score is 8.7 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Unix Shell (T1059.004); ranked at the 31.1th 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 before 2026.4.10 contains an insufficient environment variable denylist vulnerability in its exec environment policy that allows operator-supplied overrides of high-risk interpreter startup variables including VIMINIT, EXINIT, LUA_INIT, and HOSTALIASES. Attackers can exploit this by manipulating these environment variables to…

more

influence downstream execution behavior or network connectivity.

CWE(s)
CWE-184

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1059.004 Unix Shell Execution
Adversaries may abuse Unix shell commands and scripts for execution.
attack.mitre.org →
T1071.004 DNS Command And Control
Adversaries may communicate using the Domain Name System (DNS) application layer protocol to avoid detection/network filtering by blending in with existing traffic.
attack.mitre.org →
Why these techniques?

Vulnerability allows manipulation of interpreter init vars (VIMINIT/EXINIT/LUA_INIT) and HOSTALIASES to alter execution or resolution behavior.

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

CVEs Like This One

CVE-2026-44115Same product: Openclaw Openclaw
CVE-2026-41392Same product: Openclaw Openclaw
CVE-2026-31992Same product: Openclaw Openclaw
CVE-2026-22175Same product: Openclaw Openclaw
CVE-2026-43566Same product: Openclaw Openclaw
CVE-2026-43578Same product: Openclaw Openclaw
CVE-2026-34426Same product: Openclaw Openclaw
CVE-2026-45006Same product: Openclaw Openclaw
CVE-2026-44114Same product: Openclaw Openclaw
CVE-2026-32017Same product: Openclaw Openclaw

Affected Assets

openclaw
openclaw
≤ 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.

SI-8 Spam Protection
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