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CVE Watch2 sept 2026

CVE-2026-14199

Only self-managed Grafana instances with Auth Proxy authentication and identity caching enabled (sync_ttl greater than zero) are affected. T

CVSS

7.1

Alto

EPSS

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KEV

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Exploit Today

0

0-100

Publicado: 2 sept 2026 · Última mod.: 2 sept 2026 · CWE-290 · CWE-863 · CWE-1023

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

Only self-managed Grafana instances with Auth Proxy authentication and identity caching enabled (sync_ttl greater than zero) are affected. The Auth Proxy cache key concatenated the username and forwarded identity attributes without a delimiter, so distinct identities could collide on one key. An authenticated user who shapes their own attributes to collide with a higher-privileged user's, while that user's cache entry is live, is authenticated as that user, up to Administrator (authentication bypass by spoofing).

Referencias oficiales
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