Cyber Resilience

CVE-2026-43576

MediumPublic PoC

Published: 06 May 2026

Published
06 May 2026
Modified
07 May 2026
KEV Added
Patch
CVSS Score v4 4.9 CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/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 0.0004 11.8th percentile
Risk Priority 10 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-43576 is a medium-severity Open Redirect (CWE-601) vulnerability in Openclaw Openclaw. Its CVSS base score is 4.9 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 11.8th 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 2026.4.5 contains a server-side request forgery vulnerability in the CDP /json/version WebSocket endpoint that allows attackers to pivot to untrusted second-hop targets. The webSocketDebuggerUrl response field is not properly validated, enabling attackers to redirect connections to arbitrary hosts…

more

and perform SSRF-style attacks.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
Why these techniques?

SSRF in public-facing CDP WebSocket endpoint directly enables exploitation of a public-facing application for internal pivoting and arbitrary host redirection.

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

CVEs Like This One

CVE-2026-44116Same product: Openclaw Openclaw
CVE-2026-31989Same product: Openclaw Openclaw
CVE-2026-41912Same product: Openclaw Openclaw
CVE-2026-6011Same product: Openclaw Openclaw
CVE-2026-22181Same product: Openclaw Openclaw
CVE-2026-28476Same product: Openclaw Openclaw
CVE-2026-35629Same product: Openclaw Openclaw
CVE-2026-41914Same product: Openclaw Openclaw
CVE-2026-43573Same product: Openclaw Openclaw
CVE-2026-42439Same product: Openclaw Openclaw

Affected Assets

openclaw
openclaw
≤ 2026.4.5

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-601 CWE-918

Validates redirect targets and URLs to ensure they conform to allowed destinations.

addresses: CWE-601

Security awareness includes verifying URLs and avoiding untrusted redirects that lead to malicious sites.

addresses: CWE-918

Penetration testing attempts server-side requests to internal resources, identifying SSRF weaknesses for remediation.

addresses: CWE-918

Outbound connections to external resources can be monitored and limited at the boundary, reducing SSRF impact.

addresses: CWE-918

Detects server-side request forgery through monitoring of unexpected outbound connections.

References