Auth bypass in Logicaldoc Community Edition
CVE-2026-109203
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.
Vulnerability class: Broken Access Control
Published .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/logicaldoc/community/discussions/119 (technical-description)
- github.com/logicaldoc/community/blob/9.3/logicaldoc-webapp/src/main/java/com/lo… (technical-description)
- github.com/logicaldoc/community (product)
- www.vulncheck.com/advisories/logicaldoc-community-edition-through-9.3-missing-a… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-109203?
- CVE-2026-109203 is a medium-severity vulnerability in Logicaldoc Community Edition, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-10-12.
- How severe is CVE-2026-109203?
- Medium severity. CVSS v3 base score is 6.5 out of 10.