CVE-2026-21723

A flaw was found in Grafana. A remote attacker with very low privileges, or even anonymous access if enabled, can exploit the alertmanager templates test endpoint by mass-executing templates. This can lead to an Out-Of-Memory OOM error, causing the Grafana service to crash and resulting in a Deni...

SUSE 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...

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...

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...

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...

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...

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...

PT-2026-63565

Name of the Vulnerable Software and Affected Versions Grafana affected versions not specified Description The alertmanager templates test endpoint '/api/alertmanager/grafana/config/api/v1/templates/test' allows the execution of templates without memory limits. Sending a large volume of template...

openSUSE 16 Security Update : golang-github-prometheus-alertmanager (openSUSE-SU-2026:21157-1)

The remote openSUSE 16 host has a package installed that is affected by a vulnerability as referenced in the openSUSE- SU-2026:21157-1 advisory. Changes in golang-github-prometheus-alertmanager: - CVE-2026-39821: Fix validation bypass and privilege escalation by updating golang.org/x/net to versi...

Security update for golang-github-prometheus-alertmanager (moderate)

openSUSE security update: security update for golang-github-prometheus-alertmanager ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:21136-1 Rating: moderate References: bsc1236516 bsc1238686 bsc1247748 Cross-References: CVE-2023-45288 CVE-2025-22870...

Security update for golang-github-prometheus-alertmanager (important)

openSUSE security update: security update for golang-github-prometheus-alertmanager ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:21157-1 Rating: important References: bsc1266615 Cross-References: CVE-2026-39821 CVSS scores: CVE-2026-39821 SUSE :...

OPENSUSE-SU-2026:21157-1 Security update for golang-github-prometheus-alertmanager

This update for golang-github-prometheus-alertmanager fixes the following issues: Changes in golang-github-prometheus-alertmanager: - CVE-2026-39821: Fix validation bypass and privilege escalation by updating golang.org/x/net to version 0.55.0 bsc1266615...

[SECURITY] Fedora 43 Update: alertmanager-0.33.0-1.fc43

The Alertmanager handles alerts sent by client applications such as the Prometheus server. It takes care of deduplicating, grouping, and routing them to the correct receiver integrations such as email, PagerDuty, or OpsGenie. It a lso takes care of silencing and inhibition of alerts...

[SECURITY] Fedora 44 Update: alertmanager-0.33.0-1.fc44

The Alertmanager handles alerts sent by client applications such as the Prometheus server. It takes care of deduplicating, grouping, and routing them to the correct receiver integrations such as email, PagerDuty, or OpsGenie. It a lso takes care of silencing and inhibition of alerts...

OPENSUSE-SU-2026:21136-1 Security update for golang-github-prometheus-alertmanager

This update for golang-github-prometheus-alertmanager fixes the following issues: Changes in golang-github-prometheus-alertmanager: - Update to version 0.28.1 jscPED-13285: Improved performance of inhibition rules when using Equal labels. Improve the documentation on escaping in UTF-8 matchers...

OPENSUSE-SU-2026:11011-1 golang-github-prometheus-alertmanager-0.32.2-2.1 on GA media

These are all security issues fixed in the golang-github-prometheus-alertmanager-0.32.2-2.1 package on the GA media of openSUSE Tumbleweed...

golang-github-prometheus-alertmanager-0.31.1-3.1 on GA media (moderate)

golang-github-prometheus-alertmanager-0.31.1-3.1 on GA media Announcement ID: openSUSE-SU-2026:10612-1 Rating: moderate Cross-References: CVE-2026-33186 CVSS scores: CVE-2026-33186 SUSE : 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N CVE-2026-33186 SUSE : 8.6...

OPENSUSE-SU-2026:10612-1 golang-github-prometheus-alertmanager-0.31.1-3.1 on GA media

These are all security issues fixed in the golang-github-prometheus-alertmanager-0.31.1-3.1 package on the GA media of openSUSE Tumbleweed...

[SECURITY] Fedora 43 Update: alertmanager-0.31.1-2.fc43

The Alertmanager handles alerts sent by client applications such as the Prometheus server. It takes care of deduplicating, grouping, and routing them to the correct receiver integrations such as email, PagerDuty, or OpsGenie. It a lso takes care of silencing and inhibition of alerts...

Fedora: Security Advisory (FEDORA-2026-efbceeec2f)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...