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: 2026-04-28
Score: 5.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Credential Exfiltration via DNS Authority Acceptance
Action: Patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-q9w8-cf67-r238 OpenClaw: macOS Tailnet DNS Spoofing & Credential Exfiltration
History

Thu, 30 Apr 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 28 Apr 2026 19:15:00 +0000

Type Values Removed Values Added
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.
Title OpenClaw < 2026.3.31 - Arbitrary DNS Authority Acceptance and Credential Exfiltration via Wide-Area Discovery
First Time appeared Openclaw
Openclaw openclaw
Weaknesses CWE-346
CPEs cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
Vendors & Products Openclaw
Openclaw openclaw
References
Metrics cvssV3_1

{'score': 4.8, 'vector': 'CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 5.9, 'vector': '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'}


Subscriptions

Openclaw Openclaw
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-04-29T12:50:27.756Z

Reserved: 2026-04-20T14:13:45.349Z

Link: CVE-2026-41393

cve-icon Vulnrichment

Updated: 2026-04-29T12:50:23.142Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-28T19:37:42.590

Modified: 2026-04-30T20:45:01.870

Link: CVE-2026-41393

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-28T23:15:43Z

Weaknesses