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EUVD-2026-42434

🗓️ 08 Jul 2026 21:16:36Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 3 Views

Fixed in version 8.3: check_function_argument_names rejects guard hook names to prevent shadowing positional only args.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-55830
8 Jul 202621:16
attackerkb
CVE
CVE-2026-55830
8 Jul 202621:16
cve
Cvelist
CVE-2026-55830 RestrictedPython guard hooks can be shadowed via positional-only arguments
8 Jul 202621:16
cvelist
NVD
CVE-2026-55830
8 Jul 202622:17
nvd
Positive Technologies
PT-2026-56605
8 Jul 202600:00
ptsecurity
[
  {
    "enisaIdVendor": [
      {
        "id": "f72c8823-4466-3595-b7ad-118cb5524b61",
        "vendor": {
          "name": "zopefoundation"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "e3fe28e4-e347-3b21-87a5-16c786fe546f",
        "product": {
          "name": "RestrictedPython",
          "vendor": {
            "name": "zopefoundation"
          }
        },
        "product_version": "< 8.3"
      }
    ]
  }
]

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08 Jul 2026 21:16Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.18.3
3