Lucene search
+L

CVE-2026-21723

🗓️ 23 Jul 2026 01:48:16Reported by GRAFANAType 
cve
 cve
🔗 web.nvd.nist.gov👁 313 Views

Alertmanager templates test endpoint can run unlimited templates, causing memory exhaustion and Grafana crash; anonymous access.

Related
Affected
Refs
[
  {
    "vendor": "Grafana",
    "product": "Grafana OSS",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "8.0.0",
        "status": "affected",
        "versionType": "semver",
        "lessThanOrEqual": "11.0.0"
      },
      {
        "version": "11.0.0",
        "status": "affected",
        "versionType": "semver",
        "lessThanOrEqual": "11.6.10"
      },
      {
        "version": "12.0.0",
        "status": "affected",
        "versionType": "semver",
        "lessThanOrEqual": "12.0.9"
      },
      {
        "version": "12.1.0",
        "status": "affected",
        "versionType": "semver",
        "lessThanOrEqual": "12.1.6"
      },
      {
        "version": "12.2.0",
        "status": "affected",
        "versionType": "semver",
        "lessThanOrEqual": "12.2.4"
      },
      {
        "version": "12.3.0",
        "status": "affected",
        "versionType": "semver",
        "lessThanOrEqual": "12.3.2"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

27 Aug 2026 17:22Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.15.3
EPSS0.00327
SSVC
313