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CVE-2026-43581

OpenClaw < 2026.4.10 - Chrome DevTools Protocol Exposure via Overly Broad CDP Relay Binding

9.0 CriticalFix available

OpenClaw before 2026.4.10 contains an improper network binding vulnerability in the sandbox browser CDP relay that exposes Chrome DevTools Protocol on 0.0.0.0. Attackers can access the DevTools protocol outside intended local sandbox boundaries by exploiting the overly broad binding configuration.

Attack profile

How easy it is to exploit

Attack vector
Adjacent network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.21%Up 0.2 points since May 7, 2026
90%50%10%1%

What each source reports

CVE List Score used 9.0

OpenClaw < 2026.4.10 - Chrome DevTools Protocol Exposure via Overly Broad CDP Relay Binding

OpenClaw before 2026.4.10 contains an improper network binding vulnerability in the sandbox browser CDP relay that exposes Chrome DevTools Protocol on 0.0.0.0. Attackers can access the DevTools protocol outside intended local sandbox boundaries by exploiting the overly broad binding configuration.

Record
CVE-2026-43581
CVSS 4.0
9.0 CriticalCVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS 3.1
9.6 CriticalCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness
CWE-1188
Updated
2026-11-02
EUVDEUVD-2026-28175 9.0

OpenClaw before 2026.4.10 contains an improper network binding vulnerability in the sandbox browser CDP relay that exposes Chrome DevTools Protocol on 0.0.0.0. Attackers can access the DevTools protocol outside intended local sandbox boundaries by exploiting the overly broad binding configuration.

Record
EUVD-2026-28175
CVSS 4.0
9.0 CriticalCVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-525j-hqq2-66r4 7.5

OpenClaw: Sandbox browser CDP relay could expose DevTools protocol on 0.0.0.0

Summary

Sandbox browser CDP relay could expose DevTools protocol on 0.0.0.0.

Affected Packages / Versions

  • Package: openclaw
  • Ecosystem: npm
  • Affected versions: < 2026.4.10
  • Patched versions: >= 2026.4.10

Impact

The sandbox browser CDP relay could bind too broadly, exposing Chrome DevTools Protocol access outside the intended local/sandbox source range.

Technical Details

The fix enforces CDP source-range restriction by default and avoids broad 0.0.0.0 exposure unless explicitly configured.

Fix

The issue was fixed in #61404. The first stable tag containing the fix is v2026.4.10, and [email protected] includes the fix.

Fix Commit(s)

  • fbf11ebdb7110632f93926d0ac7b48f04cb44d77
  • PR: #61404

Release Process Note

Users should upgrade to openclaw 2026.4.10 or newer. The latest npm release, 2026.4.14, already includes the fix.

Credits

Thanks to @zsxsoft, with sponsorship from @KeenSecurityLab and @qclawer for reporting this issue.

Record
GHSA-525j-hqq2-66r4
CVSS 4.0
7.5 HighCVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness
CWE-284, CWE-1327
Updated
2026-11-02
GitHub AdvisoriesGHSA-xmv5-r8v7-g6g5 9.0

OpenClaw before 2026.4.10 contains an improper network binding vulnerability in the sandbox...

OpenClaw before 2026.4.10 contains an improper network binding vulnerability in the sandbox browser CDP relay that exposes Chrome DevTools Protocol on 0.0.0.0. Attackers can access the DevTools protocol outside intended local sandbox boundaries by exploiting the overly broad binding configuration.

Record
GHSA-xmv5-r8v7-g6g5
CVSS 4.0
9.0 CriticalCVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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
CVSS 3.1
9.6 CriticalCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness
CWE-1188
Updated
2026-11-02
NVD 9.0

OpenClaw before 2026.4.10 contains an improper network binding vulnerability in the sandbox browser CDP relay that exposes Chrome DevTools Protocol on 0.0.0.0. Attackers can access the DevTools protocol outside intended local sandbox boundaries by exploiting the overly broad binding configuration.

Record
CVE-2026-43581
CVSS 4.0
9.0 CriticalCVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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
CVSS 3.1
9.6 CriticalCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness
CWE-1188
Updated
2026-11-02
OSV 9.0

OpenClaw < 2026.4.10 - Chrome DevTools Protocol Exposure via Overly Broad CDP Relay Binding

OpenClaw before 2026.4.10 contains an improper network binding vulnerability in the sandbox browser CDP relay that exposes Chrome DevTools Protocol on 0.0.0.0. Attackers can access the DevTools protocol outside intended local sandbox boundaries by exploiting the overly broad binding configuration.

Record
CVE-2026-43581
CVSS 4.0
9.0 CriticalCVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Weakness
CWE-1188
Updated
2026-11-02
OSVGHSA-525j-hqq2-66r4 7.5

OpenClaw: Sandbox browser CDP relay could expose DevTools protocol on 0.0.0.0

Summary

Sandbox browser CDP relay could expose DevTools protocol on 0.0.0.0.

Affected Packages / Versions

  • Package: openclaw
  • Ecosystem: npm
  • Affected versions: < 2026.4.10
  • Patched versions: >= 2026.4.10

Impact

The sandbox browser CDP relay could bind too broadly, exposing Chrome DevTools Protocol access outside the intended local/sandbox source range.

Technical Details

The fix enforces CDP source-range restriction by default and avoids broad 0.0.0.0 exposure unless explicitly configured.

Fix

The issue was fixed in #61404. The first stable tag containing the fix is v2026.4.10, and [email protected] includes the fix.

Fix Commit(s)

  • fbf11ebdb7110632f93926d0ac7b48f04cb44d77
  • PR: #61404

Release Process Note

Users should upgrade to openclaw 2026.4.10 or newer. The latest npm release, 2026.4.14, already includes the fix.

Credits

Thanks to @zsxsoft, with sponsorship from @KeenSecurityLab and @qclawer for reporting this issue.

Record
GHSA-525j-hqq2-66r4
CVSS 4.0
7.5 HighCVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness
CWE-1327, CWE-284
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
openclaw
npm
 before 2026.4.10
2026.4.10

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-43581 is a critical vulnerability (CVSS 9.0) in Openclaw, published April 17, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.21%, the 11th percentile. Fixed in openclaw 2026.4.10.

References

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