CVE-2026-49331

A flaw was found in openshift/oauth-proxy. On paths configured to bypass authentication (skip-auth-regex), the proxy forwards client-supplied identity headers (X-Forwarded-User, X-Forwarded-Email, X-Forwarded-Access-Token) to the upstream application without stripping them. An unauthenticated attacker can inject forged identity headers on whitelisted paths.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/security/cve/CVE-2026-49331
https://bugzilla.redhat.com/show_bug.cgi?id=2483252

Configurations

No configuration.

History

23 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Se encontró una vulnerabilidad en openshift/oauth-proxy. En rutas configuradas para omitir la autenticación (skip-auth-regex), el proxy reenvía los encabezados de identidad proporcionados por el cliente (X-Forwarded-User, X-Forwarded-Email, X-Forwarded-Access-Token) a la aplicación ascendente sin eliminarlos. Un atacante no autenticado puede inyectar encabezados de identidad falsificados en rutas permitidas.

Information

Published : 2026-08-05 16:16

Updated : 2026-10-24 16:10

NVD link : CVE-2026-49331

Mitre link : CVE-2026-49331

CVE.ORG link : CVE-2026-49331

JSON object : View

Products Affected

No product.

CWE

CWE-345

Insufficient Verification of Data Authenticity

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