grafana: Grafana: Session takeover via Auth Proxy cache key collision

On instances using Auth Proxy header authentication auth.proxy with identity caching enabled syncttl 0, two distinct user identities could produce the same cache key. An authenticated low-privileged user able to influence their own forwarded identity attributes could be served a higher-privileged...

Linux Distros Unpatched Vulnerability : CVE-2026-14199

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Only self-managed Grafana instances with Auth Proxy authentication and identity caching enabled syncttl greater than zero are affected. The Auth Proxy cache key...

CVE-2026-14199

Only self-managed Grafana instances with Auth Proxy authentication and identity caching enabled syncttl 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...

EUVD-2026-70198

Only self-managed Grafana instances with Auth Proxy authentication and identity caching enabled syncttl 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...

PT-2026-84754

Name of the Vulnerable Software and Affected Versions Grafana affected versions not specified Description Self-managed instances using Auth Proxy authentication with identity caching enabled where sync ttl is greater than zero are susceptible to an authentication bypass. The issue occurs because...