CVE-2026-41361

HIGH 7.1

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

CVSS Score

7.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-184
Vendor	openclaw
Product	openclaw
Published	Apr 23, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

Low

Availability

None

Affected Versions

OpenClaw / OpenClaw

0 < 2026.3.28

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/openclaw/openclaw/security/advisories/GHSA-g86v-f9qv-rh6m vulncheck.com: https://www.vulncheck.com/advisories/openclaw-ssrf-guard-bypass-via-ipv6-special-use-ranges

Credits

🔍 Nicky (@nicky-cc) of Tencent zhuque Lab