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CVE-2026-71326 Traefik: BasicAuth singleflight key collision allows authenticated identity spoofing

🗓️ 06 Aug 2026 16:34:23Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 52 Views

Traefik BasicAuth singleflight key collision lets forging identity to log in as unconfigured user.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-71326
6 Aug 202616:34
–attackerkb
alpinelinux
AlpineLinux
CVE-2026-71326
6 Aug 202616:34
–alpinelinux
bdu_fstec
BDU FSTEC
Traefik BasicAuth CheckPassword() Unauthenticated Access
10 Aug 202600:00
–bdu_fstec
circl
Circl
CVE-2026-71326
6 Aug 202618:35
–circl
cve
CVE
CVE-2026-71326
6 Aug 202616:34
–cve
euvd
EUVD
EUVD-2026-54297
6 Aug 202616:34
–euvd
github
Github Security Blog
Traefik: BasicAuth singleflight key collision allows authenticated identity spoofing
6 Aug 202616:34
–github
mend
Mend
CVE-2026-71326
6 Aug 202616:34
–mend
nvd
NVD
CVE-2026-71326
6 Aug 202622:18
–nvd
osv_cga
osv_cga
CGA-JX8P-7Q7F-39RR
2 Sep 202620:39
–osv_cga
Rows per page
[
  {
    "vendor": "traefik",
    "product": "traefik",
    "versions": [
      {
        "version": ">= 3.6.11, < 3.6.25",
        "status": "affected"
      },
      {
        "version": ">= 3.7.0, < 3.7.10",
        "status": "affected"
      }
    ]
  }
]

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