CVE-2026-109203

Description

LogicalDOC Community Edition through 9.3 contains a missing authorization vulnerability in the ConvertPdf servlet that allows authenticated users to download restricted PDF documents. Attackers can enumerate sequential docId values and use the version parameter to retrieve any PDF and its versions from folders they cannot access.

References

• https://github.com/logicaldoc/community
• https://github.com/logicaldoc/community/blob/9.3/logicaldoc-webapp/src/main/java/com/logicaldoc/web/ConvertPdf.java#L58
• https://github.com/logicaldoc/community/discussions/119
• https://www.vulncheck.com/advisories/logicaldoc-community-edition-through-9.3-missing-authorization-via-convertpdf-servlet