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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-43576

30
FAUCET Score

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.

First published: May 6, 2026Last modified: May 7, 2026

Impacted Technologies

VendorProductVersion(s)CPE
>= 0, < 2026.4.5CPE match
cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
< 2026.4.5CPE matchmatch criteria
cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 4.0

4.9MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
NONE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
NONE
SS Confidentiality
HIGH
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.27%
Probability of exploitation in next 30 days
EPSS Percentile
18.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0027 is in the 6th percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: openclawFixed in: 2026.4.5

Vendor Advisories (1)

npmGHSA-f7fh-qg34-x2xhmedium

OpenClaw: CDP /json/version WebSocket URL could pivot to untrusted second-hop targets

Apr 17, 2026

References

github.com / openclaw/openclaw/commit/bc356cc8c2beaa747c71dd86cceab8f804699665
Patch
github.com / openclaw/openclaw/security/advisories/GHSA-f7fh-qg34-x2xh
MitigationVendor Advisory
vulncheck.com / advisories/openclaw-second-hop-ssrf-via-cdp-json-version-websocket-url
Third Party Advisory