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Vulnerabilities CVE-2026-38429

CVE-2026-38429

Critical
Open
TLP:CLEAR

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Description

OpenCMS v20 and before is vulnerable to XML External Entity (XXE) in the Admin Import DB feature due to insecure XML parsing of user supplied .zip files containing a manifest.xml.

Details

CVSS Score
9.8
EPSS Score
0.30%

22.6th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Confidence
90%
Published
May 5, 2026
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