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CVE-2026-56853

🗓️ 13 Aug 2026 21:58:53Reported by GoType 
cve
 cve
🔗 web.nvd.nist.gov👁 100 Views

net/http omits ReadHeaderTimeout during unencrypted HTTP/2 connection preface check.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
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MINI-V62W-MXW8-FQ7W
17 Aug 202607:31
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MINI-V636-77H2-MCRR
15 Aug 202607:51
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MINI-V688-P466-5MF3
17 Aug 202601:30
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MINI-V69F-XPCC-638F
15 Aug 202601:49
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MINI-V6V6-498R-F2CR
16 Aug 202607:27
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MINI-V72R-23V4-4F8V
16 Aug 202619:25
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MINI-V72V-CM23-CH6Q
16 Aug 202601:45
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MINI-V76J-XXRQ-W667
15 Aug 202607:52
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MINI-V7CW-9HPP-4RR4
17 Aug 202619:54
osv
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OSV
MINI-V7MV-C9HR-967F
14 Aug 202614:12
osv
Rows per page
[
  {
    "vendor": "Go standard library",
    "product": "net/http",
    "collectionURL": "https://pkg.go.dev",
    "packageName": "net/http",
    "versions": [
      {
        "version": "0",
        "lessThan": "1.25.13",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "1.26.0-0",
        "lessThan": "1.26.6",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "1.27.0-0",
        "lessThan": "1.27.0-rc.3",
        "status": "affected",
        "versionType": "semver"
      }
    ],
    "programRoutines": [
      {
        "name": "conn.readRequest"
      },
      {
        "name": "conn.serve"
      },
      {
        "name": "ListenAndServe"
      },
      {
        "name": "ListenAndServeTLS"
      },
      {
        "name": "Serve"
      },
      {
        "name": "ServeTLS"
      },
      {
        "name": "Server.ListenAndServe"
      },
      {
        "name": "Server.ListenAndServeTLS"
      },
      {
        "name": "Server.Serve"
      },
      {
        "name": "Server.ServeTLS"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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03 Sep 2026 16:37Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.17.5
EPSS0.00568
SSVC
100