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CVE-2026-42507 Arbitrary inputs are included in errors without any escaping in net/textproto

🗓️ 02 Jun 2026 22:01:37Reported by GoType 
cvelist
 cvelist
🔗 www.cve.org👁 27 Views

Net textproto errors include input unescaped, enabling injection in printed or logged error messages.

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Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-42507
2 Jun 202622:01
attackerkb
Amazon
Medium: golist
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Medium: golang-github-burntsushi-toml-test
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Medium: golang
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Important: soci-snapshotter
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Important: credentials-fetcher
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[
  {
    "vendor": "Go standard library",
    "product": "net/textproto",
    "collectionURL": "https://pkg.go.dev",
    "packageName": "net/textproto",
    "versions": [
      {
        "version": "0",
        "lessThan": "1.25.11",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "1.26.0-0",
        "lessThan": "1.26.4",
        "status": "affected",
        "versionType": "semver"
      }
    ],
    "programRoutines": [
      {
        "name": "parseCodeLine"
      },
      {
        "name": "Reader.ReadCodeLine"
      },
      {
        "name": "readMIMEHeader"
      },
      {
        "name": "Error.Error"
      },
      {
        "name": "Reader.ReadMIMEHeader"
      },
      {
        "name": "Reader.ReadResponse"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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