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CVE-2026-56860 Avoid quadratic complexity in resolvePath in net/url

🗓️ 13 Aug 2026 21:58:53Reported by GoType 
cvelist
 cvelist
🔗 www.cve.org👁 49 Views

net/url resolvePath had quadratic time complexity from repeated string conversions on '..' segments.

Related
Affected
Refs
[
  {
    "vendor": "Go standard library",
    "product": "net/url",
    "collectionURL": "https://pkg.go.dev",
    "packageName": "net/url",
    "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": "resolvePath"
      },
      {
        "name": "URL.Parse"
      },
      {
        "name": "URL.ResolveReference"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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13 Aug 2026 21:58Current
CVSS 3.15.9
EPSS0.0055
SSVC
49