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EUVD-2026-54393

🗓️ 07 Aug 2026 06:25:10Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 3 Views

Nltk downloader flaw <=3.9.4 enables resource poisoning via shared namespaces before checks.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-12261
7 Aug 202606:25
attackerkb
circl
Circl
CVE-2026-12261
7 Aug 202608:31
circl
cve
CVE
CVE-2026-12261
7 Aug 202606:25
cve
cvelist
Cvelist
CVE-2026-12261 Improper Access Control in nltk/nltk
7 Aug 202606:25
cvelist
nvd
NVD
CVE-2026-12261
7 Aug 202607:16
nvd
redhatcve
RedhatCVE
CVE-2026-12261
7 Aug 202611:40
redhatcve
vulnrichment
Vulnrichment
CVE-2026-12261 Improper Access Control in nltk/nltk
7 Aug 202606:25
vulnrichment
[
  {
    "enisaIdVendor": [
      {
        "id": "03617fe3-c491-3e7d-9175-c7eff298973d",
        "vendor": {
          "name": "nltk"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "ebeeebc0-6c12-3dbe-b02f-14450f66cdc1",
        "product": {
          "name": "nltk/nltk",
          "vendor": {
            "name": "nltk"
          }
        },
        "product_version": "unspecified ≤latest"
      }
    ]
  }
]

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07 Aug 2026 15:27Current
5.8Medium risk
Vulners AI Score5.8
CVSS 35.3
SSVC
3