Advisories

OpenClaw < 2026.3.28 - SSRF Guard Bypass via IPv6 Special-Use Ranges

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severity
high
date
Affecting
  • OpenClaw >= 0, < 2026.3.28

CWE
  • CWE-184: Incomplete List of Disallowed Inputs
CVSS
5.1
CVSS V4 Vector
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:H/SI:L/SA:N
Credit
Nicky (@nicky-cc) of Tencent zhuque Lab
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.

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