AI agent vulnerability · OpenClaw

CVE-2026-43582: OpenClaw: Browser SSRF hostname validation could be bypassed by DNS rebinding

mediumCVSS 4.0 4.9 · 3.1 6.3GHSA-xq94-r468-qwgj

Summary Browser SSRF hostname validation could be bypassed by DNS rebinding. Affected Packages / Versions - Package: openclaw - Ecosystem: npm - Affected versions: = 2026.4.10 Impact Browser navigation policy could validate a hostname/IP resolution that differed from the address Chromium ultimately used, allowing DNS rebinding style SSRF pivots.

Published Apr 17, 2026 · Updated May 12, 2026

Affected packages

openclaw

Ecosystem: npm
Affected: < 2026.4.10
Fixed in: 2026.4.10
Check: npm ls openclaw

Advisory details

From the GitHub Advisory Database (CC BY 4.0).

Summary

Browser SSRF hostname validation could be bypassed by DNS rebinding.

Affected Packages / Versions

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

Impact

Browser navigation policy could validate a hostname/IP resolution that differed from the address Chromium ultimately used, allowing DNS rebinding style SSRF pivots.

Technical Details

The fix tightens strict browser hostname navigation so unallowlisted hostname URLs fail closed under restrictive policy.

Fix

The issue was fixed in #64367. The first stable tag containing the fix is v2026.4.10, and [email protected] includes the fix.

Fix Commit(s)

121c452d666d4749744dc2089287d0227aae2ed3
PR: #64367

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.

Credited to dhyabi2.

References

How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology

More OpenClaw vulnerabilities

All OpenClaw entries