Permissive Cross-domain Policy with Untrusted Domains Affecting dnsdist package, versions [1.9.0-alpha0,1.9.12)[2.0.0-alpha0,2.0.3)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published6 Apr 2026
- disclosed31 Mar 2026
- creditUnknown
Introduced: 31 Mar 2026
CVE-2026-0397 (opens in a new tab)How to fix?
Upgrade dnsdist to version 1.9.12, 2.0.3 or higher.
Overview
Affected versions of this package are vulnerable to Permissive Cross-domain Policy with Untrusted Domains in the internal webserver dashboard due to a misconfiguration of the Cross-Origin Resource Sharing (CORS) policy. An attacker can access sensitive configuration information by tricking an authenticated administrator into visiting a malicious website.