openclaw/openclaw · Security
OpenClaw SSRF guard misses four IPv6 special-use ranges
- GHSA ID
- GHSA-g86v-f9qv-rh6m
- Severity
- low
- Published
- Updated
- CVSS
- 3.1 · CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
- CVSS v3
- 3.1 · CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Description
Summary
The SSRF/IP classifier treated several IPv6 special-use ranges as public and allowed fetches to proceed.
Impact
An attacker who controlled a fetched URL could target internal or non-routable IPv6 addresses that should have been blocked by the SSRF guard.
Affected Component
src/shared/net/ip.ts, src/infra/net/ssrf.*
Fixed Versions
- Affected:
<= 2026.3.24 - Patched:
>= 2026.3.28 - Latest stable
2026.3.28contains the fix.
Fix
Fixed by commit d61f8e5672 (Net: block missing IPv6 special-use ranges).
OpenClaw thanks @nicky-cc of Tencent zhuque Lab https://github.com/Tencent/AI-Infra-Guard for reporting.
CWEs
- CWE-918 · Server-Side Request Forgery (SSRF)