BIT-GRAFANA-2026-21723 CVE-2026-21723 Record

The alertmanager templates test endpoint /api/alertmanager/grafana/config/api/v1/templates/test can execute templates with no memory limits. Mass-executing templates in a short period causes OOM and crashes the Grafana service. The endpoint requires very low privileges and is exploitable with...

Linux Distros Unpatched Vulnerability : CVE-2026-21723

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The alertmanager templates test endpoint /api/alertmanager/grafana/config/api/v1/templates/test can execute templates with no memory limits. Mass-executing...

CVE-2026-21723 CVE-2026-21723 Record

The alertmanager templates test endpoint /api/alertmanager/grafana/config/api/v1/templates/test can execute templates with no memory limits. Mass-executing templates in a short period causes OOM and crashes the Grafana service. The endpoint requires very low privileges and is exploitable with...

EUVD-2026-47869

The alertmanager templates test endpoint /api/alertmanager/grafana/config/api/v1/templates/test can execute templates with no memory limits. Mass-executing templates in a short period causes OOM and crashes the Grafana service. The endpoint requires very low privileges and is exploitable with...

CVE-2026-21723

CVE-2026-21723 affects Grafana, specifically the alertmanager templates test endpoint at /api/alertmanager/grafana/config/api/v1/templates/test. The endpoint can execute templates with no memory limits, and mass execution in a short time can cause out-of-memory (OOM) and crash the Grafana service...

CVE-2026-21723

The alertmanager templates test endpoint /api/alertmanager/grafana/config/api/v1/templates/test can execute templates with no memory limits. Mass-executing templates in a short period causes OOM and crashes the Grafana service. The endpoint requires very low privileges and is exploitable with...

Linux Distros Unpatched Vulnerability : CVE-2026-27879

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A resample query can be used to trigger out-of-memory crashes in Grafana. CVE-2026-27879 Note that Nessus relies on the presence of the package as reported by t...

CVE-2026-27879

A resample query can be used to trigger out-of-memory crashes in Grafana...

UBUNTU-CVE-2026-27879

A resample query can be used to trigger out-of-memory crashes in Grafana...

CVE-2026-27879 Query resampling can cause unbounded memory allocations

A resample query can be used to trigger out-of-memory crashes in Grafana...

CVE-2026-27879 Query resampling can cause unbounded memory allocations

A resample query can be used to trigger out-of-memory crashes in Grafana...

BIT-GRAFANA-2026-21720 Unauthenticated DoS: avatar cache leaks goroutines when /avatar/:hash requests time out

Every uncached /avatar/:hash request spawns a goroutine that refreshes the Gravatar image. If the refresh sits in the 10-slot worker queue longer than three seconds, the handler times out and stops listening for the result, so that goroutine blocks forever trying to send on an unbuffered channel...

PT-2026-20560

Every uncached /avatar/:hash request spawns a goroutine that refreshes the Gravatar image. If the refresh sits in the 10-slot worker queue longer than three seconds, the handler times out and stops listening for the result, so that goroutine blocks forever trying to send on an unbuffered channel...

Linux Distros Unpatched Vulnerability : CVE-2026-21720

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Every uncached /avatar/:hash request spawns a goroutine that refreshes the Gravatar image. If the refresh sits in the 10-slot worker queue longer than three...

SUSE CVE-2026-21720

Every uncached /avatar/:hash request spawns a goroutine that refreshes the Gravatar image. If the refresh sits in the 10-slot worker queue longer than three seconds, the handler times out and stops listening for the result, so that goroutine blocks forever trying to send on an unbuffered channel...

CVE-2026-21720

Every uncached /avatar/:hash request spawns a goroutine that refreshes the Gravatar image. If the refresh sits in the 10-slot worker queue longer than three seconds, the handler times out and stops listening for the result, so that goroutine blocks forever trying to send on an unbuffered channel...

CVE-2026-21720

Every uncached /avatar/:hash request spawns a goroutine that refreshes the Gravatar image. If the refresh sits in the 10-slot worker queue longer than three seconds, the handler times out and stops listening for the result, so that goroutine blocks forever trying to send on an unbuffered channel...

UBUNTU-CVE-2026-21720

Every uncached /avatar/:hash request spawns a goroutine that refreshes the Gravatar image. If the refresh sits in the 10-slot worker queue longer than three seconds, the handler times out and stops listening for the result, so that goroutine blocks forever trying to send on an unbuffered channel...

CVE-2026-21720 Unauthenticated DoS: avatar cache leaks goroutines when /avatar/:hash requests time out

Every uncached /avatar/:hash request spawns a goroutine that refreshes the Gravatar image. If the refresh sits in the 10-slot worker queue longer than three seconds, the handler times out and stops listening for the result, so that goroutine blocks forever trying to send on an unbuffered channel...

CVE-2026-21720

CVE-2026-21720 affects Grafana’s /avatar/:hash handling: each uncached request spawns a goroutine to refresh Gravatar, and if the refresh sits in a 10-slot worker queue longer than three seconds the handler times out, causing the goroutine to block on an unbuffered channel. This can lead to linea...