Open Redirect Affecting authentik-2025.12 package, versions <2025.12.4-r9
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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Test your applications- Snyk IDSNYK-CHAINGUARDLATEST-AUTHENTIK202512-16712151
- published16 May 2026
- disclosed14 May 2026
Introduced: 14 May 2026
CVE-2026-44503 (opens in a new tab)How to fix?
Upgrade Chainguard authentik-2025.12 to version 2025.12.4-r9 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream authentik-2025.12 package and not the authentik-2025.12 package as distributed by Chainguard.
See How to fix? for Chainguard relevant fixed versions and status.
The RedirectHandler middleware in microsoft/kiota-java (com.microsoft.kiota:microsoft-kiota-http-okHttp v1.9.0) and other Kiota libraries fails to strip sensitive HTTP headers when following 3xx redirects to a different host or scheme. Only the Authorization header is removed; Cookie, Proxy-Authorization, and all custom headers are forwarded to the redirect target.