Vulnerability Description
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.
Related Weaknesses (CWE)
References
- https://github.com/microsoft/kiota-java/security/advisories/GHSA-7j59-v9qr-6fq9
- https://github.com/microsoft/kiota-java/security/advisories/GHSA-7j59-v9qr-6fq9
FAQ
What is CVE-2026-44503?
CVE-2026-44503 is a documented vulnerability. 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 redir...
How severe is CVE-2026-44503?
CVSS scoring is not yet available for CVE-2026-44503. Check NVD for updates.
Is there a patch for CVE-2026-44503?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.