High severity · published May 6, 2026
CVE-2026-43576
OpenClaw < 2026.4.5 - Second-hop SSRF via CDP /json/version WebSocket URL
7.7
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
OpenClaw · OpenClaw
before 2026.4.5 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-43576
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-43576
Patch
https://github.com/openclaw/openclaw/commit/bc356cc8c2beaa747c71dd86cceab8f804699665
Mitigation
https://github.com/openclaw/openclaw/security/advisories/GHSA-f7fh-qg34-x2xh
Third Party Advisory
https://www.vulncheck.com/advisories/openclaw-second-hop-ssrf-via-cdp-json-version-websocket-url
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