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CVE-2026-41347

OpenClaw < 2026.3.31 - Cross-Site Request Forgery via Missing Browser-Origin Validation in HTTP Operator Endpoints

2.3 LowFix available

OpenClaw before 2026.3.31 lacks browser-origin validation in HTTP operator endpoints when operating in trusted-proxy mode, allowing cross-site request forgery attacks. Attackers can exploit this by sending malicious requests from a browser in trusted-proxy deployments to perform unauthorized actions on HTTP operator endpoints.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Passive

What an attacker can affect

Confidentiality
None
Integrity
Low
Availability
None

Exploit likelihood

0.11%Up 0.1 points since Apr 24, 2026
90%50%10%1%

What each source reports

CVE List Score used 2.3

OpenClaw < 2026.3.31 - Cross-Site Request Forgery via Missing Browser-Origin Validation in HTTP Operator Endpoints

OpenClaw before 2026.3.31 lacks browser-origin validation in HTTP operator endpoints when operating in trusted-proxy mode, allowing cross-site request forgery attacks. Attackers can exploit this by sending malicious requests from a browser in trusted-proxy deployments to perform unauthorized actions on HTTP operator endpoints.

Record
CVE-2026-41347
CVSS 4.0
2.3 LowCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L
CVSS 3.1
7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness
CWE-352
Updated
2026-11-02
EUVDEUVD-2026-25331 2.3

OpenClaw before 2026.3.31 lacks browser-origin validation in HTTP operator endpoints when operating in trusted-proxy mode, allowing cross-site request forgery attacks. Attackers can exploit this by sending malicious requests from a browser in trusted-proxy deployments to perform unauthorized actions on HTTP operator endpoints.

Record
EUVD-2026-25331
CVSS 4.0
2.3 LowCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L
Updated
2026-11-02
GitHub AdvisoriesGHSA-2xp4-qhr4-xqm2 2.3

Duplicate Advisory: OpenClaw: HTTP operator endpoints lack browser-origin validation in trusted-proxy mode

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-mhr7-2xmv-4c4q. This link is maintained to preserve external references.

Original Description

OpenClaw before 2026.3.31 lacks browser-origin validation in HTTP operator endpoints when operating in trusted-proxy mode, allowing cross-site request forgery attacks. Attackers can exploit this by sending malicious requests from a browser in trusted-proxy deployments to perform unauthorized actions on HTTP operator endpoints.

Record
GHSA-2xp4-qhr4-xqm2
CVSS 4.0
2.3 LowCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L/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
7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness
CWE-352
Updated
2026-11-02
GitHub AdvisoriesGHSA-mhr7-2xmv-4c4q 2.3

OpenClaw: HTTP operator endpoints lack browser-origin validation in trusted-proxy mode

Summary

HTTP operator endpoints lack browser-origin validation in trusted-proxy mode

Current Maintainer Triage

  • Status: narrow
  • Normalized severity: medium
  • Assessment: This is a real trusted-proxy HTTP CSRF or browser-origin gap in released tags, but it is not critical because it depends on identity-bearing trusted-proxy browser deployments rather than the shared-secret HTTP operator model.

Affected Packages / Versions

  • Package: openclaw (npm)
  • Latest published npm version: 2026.3.31
  • Vulnerable version range: <=2026.3.28
  • Patched versions: >= 2026.3.31
  • First stable tag containing the fix: v2026.3.31

Fix Commit(s)

  • 6b3f99a11f4d070fa5ed2533abbb3d7329ea4f0d — 2026-03-31T19:49:26+09:00

OpenClaw thanks @AntAISecurityLab for reporting.

Record
GHSA-mhr7-2xmv-4c4q
CVSS 4.0
2.3 LowCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L
CVSS 3.1
7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness
CWE-346, CWE-352
Updated
2026-11-02
NVD 2.3

OpenClaw before 2026.3.31 lacks browser-origin validation in HTTP operator endpoints when operating in trusted-proxy mode, allowing cross-site request forgery attacks. Attackers can exploit this by sending malicious requests from a browser in trusted-proxy deployments to perform unauthorized actions on HTTP operator endpoints.

Record
CVE-2026-41347
CVSS 4.0
2.3 LowCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L/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
7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness
CWE-352
Updated
2026-11-02
OSV 2.3

OpenClaw < 2026.3.31 - Cross-Site Request Forgery via Missing Browser-Origin Validation in HTTP Operator Endpoints

OpenClaw before 2026.3.31 lacks browser-origin validation in HTTP operator endpoints when operating in trusted-proxy mode, allowing cross-site request forgery attacks. Attackers can exploit this by sending malicious requests from a browser in trusted-proxy deployments to perform unauthorized actions on HTTP operator endpoints.

Record
CVE-2026-41347
CVSS 4.0
2.3 LowCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L
Weakness
CWE-352
Updated
2026-11-02
OSVGHSA-2xp4-qhr4-xqm2 2.3

Duplicate Advisory: OpenClaw: HTTP operator endpoints lack browser-origin validation in trusted-proxy mode

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-mhr7-2xmv-4c4q. This link is maintained to preserve external references.

Original Description

OpenClaw before 2026.3.31 lacks browser-origin validation in HTTP operator endpoints when operating in trusted-proxy mode, allowing cross-site request forgery attacks. Attackers can exploit this by sending malicious requests from a browser in trusted-proxy deployments to perform unauthorized actions on HTTP operator endpoints.

Record
GHSA-2xp4-qhr4-xqm2
CVSS 4.0
2.3 LowCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L/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
7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness
CWE-352
Updated
2026-11-02
OSVGHSA-mhr7-2xmv-4c4q 2.3

OpenClaw: HTTP operator endpoints lack browser-origin validation in trusted-proxy mode

Summary

HTTP operator endpoints lack browser-origin validation in trusted-proxy mode

Current Maintainer Triage

  • Status: narrow
  • Normalized severity: medium
  • Assessment: This is a real trusted-proxy HTTP CSRF or browser-origin gap in released tags, but it is not critical because it depends on identity-bearing trusted-proxy browser deployments rather than the shared-secret HTTP operator model.

Affected Packages / Versions

  • Package: openclaw (npm)
  • Latest published npm version: 2026.3.31
  • Vulnerable version range: <=2026.3.28
  • Patched versions: >= 2026.3.31
  • First stable tag containing the fix: v2026.3.31

Fix Commit(s)

  • 6b3f99a11f4d070fa5ed2533abbb3d7329ea4f0d — 2026-03-31T19:49:26+09:00

OpenClaw thanks @AntAISecurityLab for reporting.

Record
GHSA-mhr7-2xmv-4c4q
CVSS 4.0
2.3 LowCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L
CVSS 3.1
7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness
CWE-346, CWE-352
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
openclaw
npm
 through 2026.3.28
2026.3.31
openclaw
npm
 before 2026.3.31
2026.3.31

History

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

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

In short

CVE-2026-41347 is a low vulnerability (CVSS 2.3) in Openclaw, published April 3, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.11%, the 1st percentile. Fixed in openclaw 2026.3.31.

References

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