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CVE-2026-50052

🗓️ 03 Jun 2026 03:56:01Reported by mitreType 
cve
 cve
🔗 web.nvd.nist.gov👁 71 Views

CVE-2026-50052: HTTP/2 parsing flaw enables request smuggling, leading to cache poisoning and authentication bypass when http two is enabled.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-50052
3 Jun 202603:56
attackerkb
Circl
CVE-2026-50052
3 Jun 202606:40
circl
CNNVD
Varnish Cache和Vinyl Cache 环境问题漏洞
3 Jun 202600:00
cnnvd
Cvelist
CVE-2026-50052
3 Jun 202603:56
cvelist
Debian CVE
CVE-2026-50052
3 Jun 202603:56
debiancve
EUVD
EUVD-2026-34066
3 Jun 202603:56
euvd
NVD
CVE-2026-50052
3 Jun 202606:16
nvd
OSV
DEBIAN-CVE-2026-50052
3 Jun 202606:16
osv
OSV
OPENSUSE-SU-2026:11039-1 libvinylapi3-9.0.1-1.1 on GA media
15 Jun 202600:00
osv
OSV
UBUNTU-CVE-2026-50052
3 Jun 202606:16
osv
Rows per page
[
  {
    "defaultStatus": "unaffected",
    "product": "Vinyl Cache",
    "programFiles": [
      "bin/vinyld/http2/cache_http2_hpack.c"
    ],
    "repo": "https://code.vinyl-cache.org/vinyl-cache/vinyl-cache",
    "vendor": "The Vinyl Cache Project",
    "versions": [
      {
        "status": "affected",
        "version": "9.0.0"
      },
      {
        "status": "unaffected",
        "version": "9.0.1"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "Varnish Cache (pre split)",
    "programFiles": [
      "bin/varnishd/http2/cache_http2_hpack.c"
    ],
    "repo": "https://code.vinyl-cache.org/vinyl-cache/vinyl-cache",
    "vendor": "The Vinyl Cache Project",
    "versions": [
      {
        "lessThanOrEqual": "8.0.1",
        "status": "affected",
        "version": "7.6.0",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "8.0.2"
      },
      {
        "lessThanOrEqual": "6.0.17",
        "status": "affected",
        "version": "6.0.14",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "6.0.18"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "Varnish Cache by Varnish Software",
    "programFiles": [
      "bin/vinyld/http2/cache_http2_hpack.c"
    ],
    "repo": "https://github.com/varnish/varnish",
    "vendor": "Varnish Software",
    "versions": [
      {
        "lessThanOrEqual": "9.0.2",
        "status": "affected",
        "version": "9.0.0",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "9.0.3"
      }
    ]
  }
]

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17 Jun 2026 10:57Current
5.8Medium risk
Vulners AI Score5.8
CVSS 42.3
EPSS0.00317
SSVC
71