CVE-2026-38429
CriticalCVSS 9.8Exploitation Probability (EPSS)
Low risk22th percentile - higher than 22% of all known CVEs
Summary
OpenCMS version 20 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.
Risk Assessment
The organization risks exposure of sensitive server files, server-side request forgery (SSRF), or other XML-related attacks, potentially leading to data confidentiality and integrity breaches.
Recommendation
Update OpenCMS to a version containing the fix for this vulnerability, or apply appropriate XML parsing safeguards.
Original NVD description (English source)
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.

