Description
The OpenFeature feature toggle evaluation endpoint reads unbounded values into memory, which can cause out-of-memory crashes.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Grafana | Grafana | v12.1.0 – < v12.1.10, v12.2.0 – < v12.2.8, v12.3.0 – < v12.3.6, v12.4.0 – < v12.4.2 | v12.1.10 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | grafana | No fix yet | — |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | grafana | 12.4.3-r0 | — |
| Alpine v3.23 | grafana | 12.2.8-r0 | — |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | grafana-12.3 | 12.3.6-r1 | — |
Advisories 1
- WID-SEC-2026-0899 Grafana: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 23, 2026
References
- https://grafana.com/security/security-advisories/cve-2026-27880 vendor-advisory