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CVE-2026-26998 Traefik: unbounded io.ReadAll on auth server response body causes OOM denial of service(DOS)

🗓️ 05 Mar 2026 16:15:05Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 31 Views

Traefik ForwardAuth reads unbounded auth responses, causing memory exhaustion and denial of service.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-26998
5 Mar 202616:15
attackerkb
AlpineLinux
CVE-2026-26998
5 Mar 202616:15
alpinelinux
Chainguard
CVE-2026-26998 vulnerabilities
11 Apr 202614:18
cgr
Circl
CVE-2026-26998
4 Mar 202613:09
circl
CNNVD
Traefik 安全漏洞
5 Mar 202600:00
cnnvd
CVE
CVE-2026-26998
5 Mar 202616:15
cve
Github Security Blog
Traefik has unbounded io.ReadAll on auth server response body that causes OOM DOS
4 Mar 202618:23
github
Tenable Nessus
Traefik < 2.11.38 / 3.x < 3.6.9 Multiple Vulnerabilities
4 Jun 202600:00
nessus
NVD
CVE-2026-26998
5 Mar 202619:16
nvd
OPENSUSE Linux
traefik-3.6.10-1.1 on GA media (moderate)
11 Mar 202600:00
opensuse
Rows per page
[
  {
    "vendor": "traefik",
    "product": "traefik",
    "versions": [
      {
        "version": "< 2.11.38",
        "status": "affected"
      },
      {
        "version": "< 3.6.9",
        "status": "affected"
      }
    ]
  }
]

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