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.

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History

Wed, 06 May 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 05 May 2026 18:45:00 +0000

Type Values Removed Values Added
Title XML External Entity (XXE) Vulnerability in OpenCMS Admin Import DB Feature
First Time appeared Alkacon
Alkacon opencms
Weaknesses CWE-611
Vendors & Products Alkacon
Alkacon opencms

Tue, 05 May 2026 17:00:00 +0000

Type Values Removed Values Added
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.
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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-05-06T18:40:34.593Z

Reserved: 2026-04-06T00:00:00.000Z

Link: CVE-2026-38429

cve-icon Vulnrichment

Updated: 2026-05-06T18:39:34.548Z

cve-icon NVD

Status : Deferred

Published: 2026-05-05T17:17:04.547

Modified: 2026-05-06T19:16:36.710

Link: CVE-2026-38429

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-05T18:30:29Z

Weaknesses