CVE-2026-126423

MEDIUMCVSS 4.30% EPSS

OpenEMR before 8.5.0 contains a denial of service vulnerability in four ZIP upload paths that read uncompressed entries into memory without size or ratio checks. Authenticated billing or Carecoordination users can upload highly compressed ZIP archives to exhaust PHP memory and worker pools, making OpenEMR unavailable.

Published 2026-11-13 · last modified 2026-11-13

Full record at NVD ↗

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Ncerio by BeyondNets · data from NVD, CISA KEV, EPSS.