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...

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...

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...

CVE-2026-21723: Uncontrolled Resource Consumption

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...

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...

Fedora 43 : alertmanager (2026-1ad4561f49)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-1ad4561f49 advisory. Update to 0.33.0 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has not tested for this...

Fedora 44 : alertmanager (2026-87b103f151)

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-87b103f151 advisory. Update to 0.33.0 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has not tested for this...

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...

The vulnerability of the API proxy server of the data source platform for Grafana’s monitoring and observation allows a malicious actor to gain unauthorized access to read the GET endpoints in the Alertmanager and Prometheus data sources.

The vulnerability of the API proxy server of the data source platform for Grafana relates to authentication errors. Exploiting this vulnerability can allow an attacker, operating remotely, to gain unauthorized access to read GET requests directed at the final endpoints in the Alertmanager and...

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...