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CVE-2026-88010 Traefik: BasicAuth singleflight coalescing reintroduces an unauthenticated username-enumeration timing oracle

🗓️ 22 Sep 2026 15:38:25Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Traefik is an open source HTTP reverse proxy and load balancer. From 3.6.11 until 3.7.13, checkPassword in pkg/middlewares/auth/basic_auth.go constructs the BasicAuth singleflight key from the submitted password and stored secret. Concurrent reque...

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ReporterTitlePublishedViews
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cve
CVE
CVE-2026-88010
22 Sep 202615:38
cve
nvd
NVD
CVE-2026-88010
22 Sep 202616:18
nvd
[
  {
    "vendor": "traefik",
    "product": "traefik",
    "versions": [
      {
        "version": ">= 3.6.11, < 3.7.13",
        "status": "affected"
      }
    ]
  }
]

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22 Sep 2026 15:38Current
CVSS 46.3
SSVC
5