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CVE-2026-15806 `HTTPPasswordMgr` can send saved HTTPS credentials via HTTP because of incorrect scheme matching

🗓️ 18 Aug 2026 15:50:57Reported by PSFType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

HTTPPasswordMgr in Python urllib.request sends HTTPS credentials over HTTP due to missing scheme check.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-15806
18 Aug 202615:50
cve
nvd
NVD
CVE-2026-15806
18 Aug 202616:17
nvd
[
  {
    "defaultStatus": "unaffected",
    "product": "CPython",
    "repo": "https://github.com/python/cpython",
    "vendor": "Python Software Foundation",
    "versions": [
      {
        "lessThan": "3.16.0",
        "status": "affected",
        "version": "0",
        "versionType": "python"
      }
    ]
  }
]

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