HIGHVulnerability
Verified
Global

NVD HIGH: CVE-2026-49332 — A flaw was found in openshift/oauth-proxy. The proxy sets authenticated identity...

·Source: NIST NVD

Updated:

Executive Summary

A flaw was found in openshift/oauth-proxy. The proxy sets authenticated identity headers using only dash-variant keys (X-Forwarded-User) but does not strip underscore-variant keys (X_Forwarded_User) from incoming requests. WSGI and PHP frameworks normalize both variants to the same variable, allowing an authenticated low-privilege user to smuggle a forged identity that may override the legitimate

Analysis

A flaw was found in openshift/oauth-proxy. The proxy sets authenticated identity headers using only dash-variant keys (X-Forwarded-User) but does not strip underscore-variant keys (X_Forwarded_User) from incoming requests. WSGI and PHP frameworks normalize both variants to the same variable, allowing an authenticated low-privilege user to smuggle a forged identity that may override the legitimate authenticated identity in the upstream application. CVSS Score: 8.5. Published: 2026-07-28T13:18:46.067.

Indicators of Compromise (1)

CVE (1)
CVE-2026-49332
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Jul 28, 2026. Verified by: NIST.

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