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CVE-2026-54212Proof of concept (PoC) published · CISA

TeamDavid: Buffer Overflow in JSON-parsing

CVSS score

9.5

EPSS probability

%0.7

Risk score

0.1

Published

2 mo ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline

Vulnerability Timeline (Change History)

CVE-2026-54212 historical changes made to the vulnerability by NVD, CISA and MITRE:

DateActor / SourceAction / DescriptionTypePrevious valueNew value
07.09.2026nvd@nist.govInitial Analysis & CVSS Vector AssignmentCVSS V3.1—CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
07.08.2026CISA CoordinatorSSVC Risk Re-assessmentSSVC / KEVexploitation: noneexploitation: none
07.08.2026MITRE / NVDNew CVE Record Received & IngestedCVE Created—CVE-2026-54212

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