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CVE-2026-41263

🗓️ 30 Apr 2026 20:39:49Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 31 Views

Traefik BasicAuth timing side-channel enables username enumeration; patched in recent releases.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-41263
30 Apr 202620:39
attackerkb
AlpineLinux
CVE-2026-41263
30 Apr 202620:39
alpinelinux
Circl
CVE-2026-41263
24 Apr 202613:35
circl
CNNVD
Traefik 安全漏洞
30 Apr 202600:00
cnnvd
Cvelist
CVE-2026-41263 Traefik: BasicAuth middleware: timing side-channel vulnerability
30 Apr 202620:39
cvelist
EUVD
EUVD-2026-26433
30 Apr 202620:39
euvd
Github Security Blog
Traefik: A timing side-channel vulnerability allows for valid username enumeration via BasicAuth middleware
24 Apr 202620:36
github
Tenable Nessus
Traefik < 2.11.43 / 3.x < 3.6.14 Multiple Vulnerabilities
2 May 202600:00
nessus
NVD
CVE-2026-41263
30 Apr 202621:16
nvd
OPENSUSE Linux
traefik-3.6.15-1.1 on GA media (moderate)
7 May 202600:00
opensuse
Rows per page
NVD
Vulners
Node
traefiktraefikRange<2.11.43
OR
traefiktraefikRange3.0.03.6.14
OR
traefiktraefikMatch3.7.0ea1
OR
traefiktraefikMatch3.7.0ea2
OR
traefiktraefikMatch3.7.0ea3
OR
traefiktraefikMatch3.7.0rc1
[
  {
    "vendor": "traefik",
    "product": "traefik",
    "versions": [
      {
        "version": "< 2.11.43",
        "status": "affected"
      },
      {
        "version": ">= 3.0.0-beta1, < 3.6.14",
        "status": "affected"
      },
      {
        "version": ">= 3.7.0-ea.1, < 3.7.0-rc.2",
        "status": "affected"
      }
    ]
  }
]

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01 May 2026 17:37Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.13.7
CVSS 46.3
EPSS0.00022
SSVC
31