MEDIUMCVSS v3.1 4.3Vulnerability
CVE-2026-126421
OpenEMR before 8.5.0 contains an uncontrolled resource consumption vulnerability that allows authenticated users with patients/med access to exhaust PHP workers via an unbounded count parameter. Attackers can send print_labels requests to labs_ajax.php with huge counts, forcing mPDF page and barcode generation that makes 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-2026-126421
- 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
- 2026-11-13T10:17:48.027
- Last modified
- 2026-11-13T10:17:48.157
- Epss percentile
- 0.31758
Related Entities (1)
HAS_WEAKNESS (1)
Related research
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