CVE-2026-43576

OpenClaw < 2026.4.5 - Second-hop SSRF via CDP /json/version WebSocket URL

State: Published
Severity: 4.9 Medium
Published: May 6, 2026
Updated: May 7, 2026
Reserved: May 1, 2026

Description

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 and perform SSRF-style attacks.

Scores

CVSS	Score	Vector	Source
4.0	4.9 Medium	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	VulnCheck
3.1	7.7 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N	VulnCheck

Weaknesses

CWE-601 URL Redirection to Untrusted Site ('Open Redirect')
CWE-918 Server-Side Request Forgery (SSRF)

Affected Products

Product	Versions
OpenClawOpenClaw	before 2026.4.5Affected 2026.4.5Not affected

References

GitHub Security Advisory (GHSA-f7fh-qg34-x2xh)vendor-advisory
Patch Commitpatch
VulnCheck Advisory: OpenClaw < 2026.4.5 - Second-hop SSRF via CDP /json/version WebSocket URLthird-party-advisory

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.