CVE-2026-21723
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
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 anonymous access enabled.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Grafana OSS
- Vendor
- Grafana
- Product
- Grafana OSS
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 8.0.0 | affected | semver | Unavailable | 11.0.0 | None listed |
| 11.0.0 | affected | semver | Unavailable | 11.6.10 | None listed |
| 12.0.0 | affected | semver | Unavailable | 12.0.9 | None listed |
| 12.1.0 | affected | semver | Unavailable | 12.1.6 | None listed |
| 12.2.0 | affected | semver | Unavailable | 12.2.4 | None listed |
| 12.3.0 | affected | semver | Unavailable | 12.3.2 | None listed |