Medium severity5.3OSV Advisory· Published Jul 10, 2026· Updated Jul 13, 2026
CVE-2026-8609
CVE-2026-8609
Description
An unauthenticated attacker can repeatedly call Grafana's OAuth login route with unique values, causing unbounded memory growth that can eventually exhaust memory and crash the Grafana instance (denial of service).
Affected products
7- osv-coords4 versionspkg:rpm/almalinux/grafana-selinuxpkg:rpm/opensuse/grafana&distro=openSUSE%20Tumbleweedpkg:bitnami/grafanapkg:rpm/almalinux/grafana
< 10.2.6-28.el10_2.4+ 3 more
- (no CPE)range: < 10.2.6-28.el10_2.4
- (no CPE)range: < 12.4.5-4.1
- (no CPE)range: >= 11.6.0, < 11.6.15
- (no CPE)range: < 10.2.6-28.el10_2.4
Patches
Vulnerability mechanics
References
1- grafana.com/security/security-advisories/cve-2026-8609nvdVendor Advisory
News mentions
1- Grafana: Three Moderate Vulnerabilities Including Stored XSS and DoS Disclosed TogetherVypr Intelligence · Jul 10, 2026