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CVE-2026-85597 Traefik before v2.11.55 mTLS Bypass via TLS Option Conflict

🗓️ 04 Sep 2026 11:30:00Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

mTLS bypass in Traefik before v2.11.55 via conflicting TLS options on multi-host routers.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-85597
4 Sep 202611:30
cve
euvd
EUVD
EUVD-2026-71020
4 Sep 202611:30
euvd
nvd
NVD
CVE-2026-85597
4 Sep 202612:17
nvd
ptsecurity
Positive Technologies
PT-2026-85497
4 Sep 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2026-85597 Traefik before v2.11.55 mTLS Bypass via TLS Option Conflict
4 Sep 202611:30
vulnrichment
[
  {
    "vendor": "traefik",
    "product": "traefik",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:golang/Traefik",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "2.11.55"
      },
      {
        "version": "2.11.55",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  },
  {
    "vendor": "traefik",
    "product": "traefik",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:golang/Traefik",
    "versions": [
      {
        "version": "3.0.0",
        "status": "affected",
        "versionType": "semver",
        "lessThanOrEqual": "3.7.12"
      }
    ]
  }
]

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