CVE-2026-41393 | THREATINT

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.

PUBLISHED Reserved 2026-04-20 | Published 2026-04-28 | Updated 2026-04-29 | Assigner VulnCheck

MEDIUM: 5.9CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

MEDIUM: 4.8CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Problem types

CWE-346: Origin Validation Error

Product status

Default status

unaffected

Any version before 2026.3.31

affected

2026.3.31 (semver)

unaffected

Credits

Nathan (@nexrin) reporter

KeenSecurityLab finder

qclawer finder

References

github.com/...enclaw/security/advisories/GHSA-q9w8-cf67-r238 (GitHub Security Advisory (GHSA-q9w8-cf67-r238)) vendor-advisory

github.com/...ommit/a23c33a681f8c1b22dc793995acc4c5c4b568346 (Patch Commit) patch

www.vulncheck.com/...al-exfiltration-via-wide-area-discovery (VulnCheck Advisory: OpenClaw < 2026.3.31 - Arbitrary DNS Authority Acceptance and Credential Exfiltration via Wide-Area Discovery) third-party-advisory

cve.org (CVE-2026-41393)

nvd.nist.gov (CVE-2026-41393)

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