CVE-2026-43582

MEDIUM 6.3

OpenClaw < 2026.4.10 - DNS Rebinding SSRF via Hostname Validation Bypass

CVSS Score

6.3

EPSS Score

0.0%

EPSS Percentile

0th

OpenClaw before 2026.4.10 contains a server-side request forgery vulnerability in browser navigation policy that allows attackers to bypass hostname validation through DNS rebinding attacks. Attackers can exploit inconsistent hostname resolution between validation and actual network requests to pivot to internal resources via unallowlisted hostname URLs.

CWE	CWE-367
Vendor	openclaw
Product	openclaw
Published	May 6, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

OpenClaw / OpenClaw

0 < 2026.4.10

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/openclaw/openclaw/security/advisories/GHSA-xq94-r468-qwgj github.com: https://github.com/openclaw/openclaw/commit/121c452d666d4749744dc2089287d0227aae2ed3 vulncheck.com: https://www.vulncheck.com/advisories/openclaw-dns-rebinding-ssrf-via-hostname-validation-bypass

Credits

🔍 dhyabi2