CVE-2026-43576

medium

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.

References

Advisories
More

https://www.vulncheck.com/advisories/openclaw-second-hop-ssrf-via-cdp-json-version-websocket-url

https://github.com/openclaw/openclaw/security/advisories/GHSA-f7fh-qg34-x2xh

https://github.com/openclaw/openclaw/commit/bc356cc8c2beaa747c71dd86cceab8f804699665

Details

Source: Mitre, NVD

Published: 2026-05-06

Updated: 2026-05-07

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 7.7

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Severity: High

CVSS v4

Base Score: 4.9

Vector: 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

Severity: Medium

EPSS

EPSS: 0.00027