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CVE-2026-0397

Information disclosure via CORS misconfiguration

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 1.9.12, 2.0.3
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

When the internal webserver is enabled (default is disabled), an attacker might be able to trick an administrator logged to the dashboard into visiting a malicious website and extract information about the running configuration from the dashboard. The root cause of the issue is a misconfiguration of the Cross-Origin Resource Sharing (CORS) policy.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • dnsdist

    From 1.9.0 · fixed in 1.9.12; From 2.0.0 · fixed in 2.0.3

References 1

dnsdist.org