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EUVD-2026-42434

🗓️ 28 Aug 2026 22:51:35Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 15 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
ATTACKERKB
CVE-2026-55830
8 Jul 202621:16
attackerkb
cgr
Chainguard
CVE-2026-55830 vulnerabilities
31 Aug 202608:27
cgr
circl
Circl
CVE-2026-55830
29 Aug 202600:32
circl
cve
CVE
CVE-2026-55830
8 Jul 202621:16
cve
cvelist
Cvelist
CVE-2026-55830 RestrictedPython guard hooks can be shadowed via positional-only arguments
8 Jul 202621:16
cvelist
github
Github Security Blog
RestrictedPython guard hooks can be shadowed via positional-only arguments
28 Aug 202622:51
github
nvd
NVD
CVE-2026-55830
8 Jul 202622:17
nvd
osv
OSV
CGA-5PV8-QVH3-43PQ
29 Aug 202612:13
osv
osv
OSV
CGA-7F32-6C4Q-5XP3
29 Aug 202612:37
osv
osv
OSV
CGA-FQ9M-FFJ5-VP77
29 Aug 202623:26
osv
Rows per page
[
  {
    "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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28 Aug 2026 22:51Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.18.3
EPSS0.00401
SSVC
15