MEDIUMCVSS v3.1 4.3Vulnerability
CVE-2026-126423
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.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-11-14T00:40:25.638091+00:00
- Epss score
- 0.00373
- Cvss score
- 4.3
- Cvss severity
- MEDIUM
- Retrieved at
- 2026-11-14T00:51:03+00:00
- Score
- 4.3
- Last source
- FIRST EPSS
- Cvss version
- 3.1
- Cve id
- CVE-2026-126423
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- First seen by Signal
- 2026-11-13T17:31:47+00:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- Published at
- 2026-11-13T10:17:48.363
- Last modified
- 2026-11-13T16:18:27.520
- Epss percentile
- 0.31758
Related Entities (1)
HAS_WEAKNESS (1)
Related research
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