High severity7.5NVD Advisory· Published Jun 22, 2026· Updated Jul 10, 2026
CVE-2026-42127
CVE-2026-42127
Description
The public dashboard query endpoint does not limit request body size before processing, allowing unauthenticated attackers to trigger excessive memory allocation by sending arbitrarily large JSON payloads. This can lead to denial of service through memory exhaustion. No valid dashboard access token or authentication is required to exploit this vulnerability.
Affected products
9- osv-coords7 versionspkg:apk/chainguard/grafana-11.6pkg:apk/chainguard/grafana-12.3pkg:apk/chainguard/grafana-12.4pkg:apk/wolfi/grafana-12.3pkg:apk/wolfi/grafana-12.4pkg:bitnami/grafanapkg:rpm/opensuse/grafana&distro=openSUSE%20Tumbleweed
< 11.6.16-r2+ 6 more
- (no CPE)range: < 11.6.16-r2
- (no CPE)range: < 12.3.7-r0
- (no CPE)range: < 12.4.4-r0
- (no CPE)range: < 12.3.7-r0
- (no CPE)range: < 12.4.4-r0
- (no CPE)range: < 11.6.15
- (no CPE)range: < 12.4.5-3.1
Patches
Vulnerability mechanics
References
1- grafana.com/security/security-advisories/cve-2026-42127nvdBroken Link
News mentions
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