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Medium 5.3HealthcarePublished Jan 7, 2026

CVE-2026-21851MONAI (Medical Open Network for AI) is an AI toolkit for health care imaging.

Updated under an hour ago ()

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It affects project-monai monai. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

MONAI (Medical Open Network for AI) is an AI toolkit for health care imaging. In versions up to and including 1.5.1, a Path Traversal (Zip Slip) vulnerability exists in MONAI's `_download_from_ngc_private()` function. The function uses `zipfile.ZipFile.extractall()` without path validation, while other similar download functions in the same codebase properly use the existing `safe_extract_member()` function. Commit 4014c8475626f20f158921ae0cf98ed259ae4d59 fixes this issue.

CVSS
5.3 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Weakness (CWE)
CWE-22
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Not given
NVD analysis
Analyzed
Record last updated
Jun 17, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
project-monai monai
project-monai:monai
through 1.5.1
NVD

References

  • patch
  • exploit, mitigation, vendor-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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