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CVE-2026-58150 Apache Traffic Server: HTTP/2 requests with Transfer-Encoding are not rejected, allowing request smuggling

🗓️ 29 Jul 2026 07:30:25Reported by apacheType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

Apache Traffic Server fails to reject HTTP/2 Transfer-Encoding, enabling downgrade request smuggling.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-58150
29 Jul 202607:30
attackerkb
CVE
CVE-2026-58150
29 Jul 202607:30
cve
EUVD
EUVD-2026-50173
29 Jul 202607:30
euvd
NVD
CVE-2026-58150
29 Jul 202608:16
nvd
Positive Technologies
PT-2026-65724
29 Jul 202600:00
ptsecurity
[
  {
    "defaultStatus": "unaffected",
    "product": "Apache Traffic Server",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "lessThanOrEqual": "8.1.9",
        "status": "affected",
        "version": "8.0.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "9.2.14",
        "status": "affected",
        "version": "9.0.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "10.1.3",
        "status": "affected",
        "version": "10.0.0",
        "versionType": "semver"
      }
    ]
  }
]

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