A AegiFlow
HIGHCVSS 7.0EPSS 0.5%

CVE-2026-44503

CVE-2026-44503 updated by NVD

Published
2026-05-07
Modified
2026-10-28
EPSS percentile
41%
Sources
github-advisory, nvd

Summary

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.

Affected packages

EcosystemPackageAffected versionsFixed versions
Gogithub.com/microsoft/kiota-http-go—1.5.5
Mavencom.microsoft.kiota:microsoft-kiota-abstractions—1.9.1
NuGetMicrosoft.Kiota.Abstractions—1.22.0
PyPImicrosoft-kiota-http—1.9.9
npmkiota-typescript—1.0.0-preview.100

Remediation: Upgrade to 1.5.5 or later.

References

Includes data from the GitHub Advisory Database, licensed under CC-BY 4.0.

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

CVE® is a registered trademark of The MITRE Corporation. CVE content reproduced under the CVE Terms of Use; copyright designation © MITRE.

EPSS scores provided by the FIRST.org Exploit Prediction Scoring System.