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CVE-2026-12003

CPython >3.11 Insecure Input Validation resulting in privilege escalation

CVSS score

5.3

EPSS probability

%0.1

Risk score

0.0

Published

4 mo ago

Vulnerability Timeline (Change History)

CVE-2026-12003 historical changes made to the vulnerability by NVD, CISA and MITRE:

DateActor / SourceAction / DescriptionTypePrevious valueNew value
16.10.2026nvd@nist.govInitial Analysis & CVSS Vector AssignmentCVSS V3.1—CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
16.06.2026CISA CoordinatorSSVC Risk Re-assessmentSSVC / KEVexploitation: noneexploitation: none
16.06.2026MITRE / NVDNew CVE Record Received & IngestedCVE Created—CVE-2026-12003

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