Description
OpenClaw before 2026.3.28 contains an SSRF guard bypass vulnerability that fails to block four IPv6 special-use ranges. Attackers can exploit this by crafting URLs targeting internal or non-routable IPv6 addresses to bypass SSRF protections.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| OpenClaw | OpenClaw | < 2026.3.28 | 2026.3.28 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| npm | openclaw | < 2026.3.28 | 2026.3.28 | GHSA-g86v-f9qv-rh6m |
Advisories 1
- WID-SEC-2026-0930 OpenClaw: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 28, 2026
References
- GitHub Security Advisory (GHSA-g86v-f9qv-rh6m) vendor-advisory
- VulnCheck Advisory: OpenClaw < 2026.3.28 - SSRF Guard Bypass via IPv6 Special-Use Ranges third-party-advisory