CVE-2026-41393 PUBLISHED

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

Assigner: VulnCheck
Reserved: 20.04.2026 Published: 28.04.2026 Updated: 28.04.2026

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.

Metrics

CVSS 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
CVSS Score: 5.9

Product Status

Vendor OpenClaw
Product OpenClaw
Versions Default: unaffected
  • affected from 0 to 2026.3.31 (excl.)
  • Version 2026.3.31 is unaffected

Credits

  • Nathan (@nexrin) reporter
  • KeenSecurityLab finder
  • qclawer finder

References

Problem Types

  • CWE-346: Origin Validation Error CWE