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.CreditsNicky (@nicky-cc) of Tencent zhuque LabReferenceshttps://github.com/openclaw/openclaw/security/advisories/GHSA-g86v-f9qv-rh6mhttps://www.vulncheck.com/advisories/openclaw-ssrf-guard-bypass-via-ipv6-special-use-ranges
