FKIE_CVE-2025-22873

Vulnerability from fkie_nvd - Published: 2026-02-04 23:15 - Updated: 2026-02-05 15:16
Severity ?
3.8 (Low) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Summary
It was possible to improperly access the parent directory of an os.Root by opening a filename ending in "../". For example, Root.Open("../") would open the parent directory of the Root. This escape only permits opening the parent directory itself, not ancestors of the parent or files contained within the parent.
References
security@golang.orghttps://go.dev/cl/670036
security@golang.orghttps://go.dev/issue/73555
security@golang.orghttps://groups.google.com/g/golang-announce/c/UZoIkUT367A/m/5WDxKizJAQAJ
security@golang.orghttps://pkg.go.dev/vuln/GO-2026-4403
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2025/05/06/2
Impacted products
Vendor Product Version
To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "It was possible to improperly access the parent directory of an os.Root by opening a filename ending in \"../\". For example, Root.Open(\"../\") would open the parent directory of the Root. This escape only permits opening the parent directory itself, not ancestors of the parent or files contained within the parent."
    }
  ],
  "id": "CVE-2025-22873",
  "lastModified": "2026-02-05T15:16:06.713",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 3.8,
          "baseSeverity": "LOW",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.0,
        "impactScore": 1.4,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-02-04T23:15:54.220",
  "references": [
    {
      "source": "security@golang.org",
      "url": "https://go.dev/cl/670036"
    },
    {
      "source": "security@golang.org",
      "url": "https://go.dev/issue/73555"
    },
    {
      "source": "security@golang.org",
      "url": "https://groups.google.com/g/golang-announce/c/UZoIkUT367A/m/5WDxKizJAQAJ"
    },
    {
      "source": "security@golang.org",
      "url": "https://pkg.go.dev/vuln/GO-2026-4403"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.openwall.com/lists/oss-security/2025/05/06/2"
    }
  ],
  "sourceIdentifier": "security@golang.org",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-23"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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