CVE-2026-41393

OpenClaw < 2026.3.31 - Arbitrary DNS Authority Acceptance and Credential Exfiltration via Wide-Area Discovery

State: Published
Severity: 5.9 Medium
Published: Apr 28, 2026
Updated: Apr 29, 2026
Reserved: Apr 20, 2026

Description

OpenClaw before 2026.3.31 contains a wide-area discovery vulnerability allowing arbitrary tailnet peers to be accepted as DNS authorities. Attackers with same-tailnet position and CA-trusted endpoint access can exfiltrate operator credentials through DNS steering manipulation.

Scores

CVSS	Score	Vector	Source
4.0	5.9 Medium	CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N	VulnCheck
3.1	4.8 Medium	CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N	VulnCheck

Weaknesses

CWE-346 Origin Validation Error

Affected Products

Product	Versions
OpenClawOpenClaw	before 2026.3.31Affected 2026.3.31Not affected

References

GitHub Security Advisory (GHSA-q9w8-cf67-r238)vendor-advisory
Patch Commitpatch
VulnCheck Advisory: OpenClaw < 2026.3.31 - Arbitrary DNS Authority Acceptance and Credential Exfiltration via Wide-Area Discoverythird-party-advisory

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