CVE-2026-43582
OpenClaw < 2026.4.10 - DNS Rebinding SSRF via Hostname Validation Bypass
- State
- Published
- Severity
- 4.9 Medium
- Published
- May 6, 2026
- Updated
- May 7, 2026
- Reserved
- May 1, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.9 Medium | CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N | VulnCheck |
| 3.1 | 6.3 Medium | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N | VulnCheck |
Weaknesses
- CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
Affected Products
| Product | Versions |
|---|---|
OpenClawOpenClaw |
|
References
- GitHub Security Advisory (GHSA-xq94-r468-qwgj)vendor-advisory
- Patch Commitpatch
- VulnCheck Advisory: OpenClaw < 2026.4.10 - DNS Rebinding SSRF via Hostname Validation Bypassthird-party-advisory
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