CVE-2026-41393

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.

CVSS v3.1 Score

4.8

MEDIUM

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

EPSS — Exploit Prediction

0.0001

Probability of exploitation

0.01%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-346 CWE-346

Affected Products

Vendor	Product	Versions
openclaw	openclaw	< 2026.3.31

References

Advisories & Patches

https://github.com/openclaw/openclaw/commit/a23c33a681f8c1b22dc793995acc4c5c4b568346 https://github.com/openclaw/openclaw/security/advisories/GHSA-q9w8-cf67-r238

Other References

https://www.vulncheck.com/advisories/openclaw-arbitrary-dns-authority-acceptance-and-credential-exfiltration-via-wide-area-discovery

Frequently Asked Questions

What is CVE-2026-41393? +

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. It has a CVSS v3.1 base score of 4.8 (MEDIUM).

How severe is CVE-2026-41393? +

CVE-2026-41393 has a CVSS v3.1 score of 4.8 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0001, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-41393? +

CVE-2026-41393 affects products from openclaw, specifically: openclaw. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-41393? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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