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CVE-2026-8609 Pre-authentication denial of service via the OAuth login route

🗓️ 10 Jul 2026 14:58:33Reported by GRAFANAType 
cvelist
 cvelist
🔗 www.cve.org👁 37 Views

Pre-auth DoS via Grafana OAuth login route; attacker can exhaust memory with repeated requests.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-8609
10 Jul 202614:58
attackerkb
alpinelinux
AlpineLinux
CVE-2026-8609
10 Jul 202614:58
alpinelinux
circl
Circl
CVE-2026-8609
10 Jul 202622:20
circl
cve
CVE
CVE-2026-8609
10 Jul 202614:58
cve
oraclelinux
Oracle linux
grafana security, bug fix, and enhancement update
12 Aug 202600:00
oraclelinux
euvd
EUVD
EUVD-2026-42921
10 Jul 202614:58
euvd
grafana
Grafana
Pre-authentication denial of service in the OAuth login route
9 Jun 202600:00
grafana
nessus
Tenable Nessus
Grafana Labs < 11.6.15 / 12.2.0 < 12.2.9 / 12.3.0 < 12.3.7 / 12.4.0 < 12.4.4 / 13.0.0 < 13.0.2 Multiple Vulnerabilities
24 Jul 202600:00
nessus
nessus
Tenable Nessus
Oracle Linux 10 : grafana (ELSA-2026-54178)
12 Aug 202600:00
nessus
nessus
Tenable Nessus
RHEL 10 : grafana (RHSA-2026:54178)
12 Aug 202600:00
nessus
Rows per page
[
  {
    "vendor": "Grafana",
    "product": "Grafana OSS",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "11.6.0",
        "status": "affected",
        "versionType": "semver",
        "lessThanOrEqual": "11.6.14"
      },
      {
        "version": "12.2.0",
        "status": "affected",
        "versionType": "semver",
        "lessThanOrEqual": "12.2.8"
      },
      {
        "version": "12.3.0",
        "status": "affected",
        "versionType": "semver",
        "lessThanOrEqual": "12.3.6"
      },
      {
        "version": "12.4.0",
        "status": "affected",
        "versionType": "semver",
        "lessThanOrEqual": "12.4.3"
      },
      {
        "version": "13.0.0",
        "status": "affected",
        "versionType": "semver",
        "lessThanOrEqual": "13.0.1"
      }
    ]
  }
]

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