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CVE-2026-71324 Traefik: Cross-user response poisoning via proxied CONNECT on Traefik's shared backend keep-alive pool

🗓️ 06 Aug 2026 15:56:33Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 50 Views

Traefik can poison responses across users via a shared keep-alive pool on CONNECT; fixed in 2.11.53, 3.6.24, and 3.7.9.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-71324
6 Aug 202615:56
–attackerkb
alpinelinux
AlpineLinux
CVE-2026-71324
6 Aug 202615:56
–alpinelinux
bdu_fstec
BDU FSTEC
Containous Traefik Sensitive Information Disclosure
10 Aug 202600:00
–bdu_fstec
circl
Circl
CVE-2026-71324
6 Aug 202616:31
–circl
cve
CVE
CVE-2026-71324
6 Aug 202615:56
–cve
euvd
EUVD
EUVD-2026-54288
6 Aug 202615:56
–euvd
github
Github Security Blog
Traefik: Cross-user response poisoning via proxied CONNECT on Traefik's shared backend keep-alive pool
6 Aug 202615:56
–github
mend
Mend
CVE-2026-71324
6 Aug 202622:18
–mend
nvd
NVD
CVE-2026-71324
6 Aug 202622:18
–nvd
osv_ghsa
osv_ghsa
GHSA-3CCP-42PG-HGV6 Traefik: Cross-user response poisoning via proxied CONNECT on Traefik's shared backend keep-alive pool
6 Aug 202615:56
–osv_ghsa
Rows per page
[
  {
    "vendor": "traefik",
    "product": "traefik",
    "versions": [
      {
        "version": "< 2.11.53",
        "status": "affected"
      },
      {
        "version": ">= 3.0.0, < 3.6.24",
        "status": "affected"
      },
      {
        "version": ">= 3.7.0, < 3.7.9",
        "status": "affected"
      }
    ]
  }
]

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