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CVE-2026-73494

🗓️ 14 Sep 2026 17:33:49Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 34 Views

HTTP/1.1 request smuggling in blaze via lax Java wire parser enabling auth or cache poisoning.

Related
Detection
Affected
Refs
Vulners
Node
OR
typelevelblazeRange<0.23.18
typelevelblazeRange1.0.0-M1–1.0.0-M42
[
  {
    "vendor": "http4s",
    "product": "blaze",
    "versions": [
      {
        "version": "< 0.23.18",
        "status": "affected"
      },
      {
        "version": ">= 1.0.0-M1, < 1.0.0-M42",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "org.http4s",
    "product": "blaze-http_2.13",
    "versions": [
      {
        "version": "< 0.23.18",
        "status": "affected"
      },
      {
        "version": ">= 1.0.0-M1, < 1.0.0-M42",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "org.http4s",
    "product": "blaze-http_3",
    "versions": [
      {
        "version": "< 0.23.18",
        "status": "affected"
      },
      {
        "version": ">= 1.0.0-M1, < 1.0.0-M42",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "org.http4s",
    "product": "http4s-blaze-server_2.13",
    "versions": [
      {
        "version": "< 0.23.18",
        "status": "affected"
      }
    ]
  }
]

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30 Sep 2026 17:51Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.4
EPSS0.00628
SSVC
34