CVE-2026-109203 LogicalDOC Community Edition through 9.3 Missing Authorization via ConvertPdf Servlet
Authenticated users can bypass access controls to download restricted PDF documents by manipulating document IDs in the ConvertPdf servlet.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-109203?
CVE-2026-109203 is a high-severity missing authorization vulnerability in LogicalDOC Community Edition, published on 12 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-862
Which versions are affected by CVE-2026-109203?
How do I fix CVE-2026-109203?
No fix has been published for CVE-2026-109203 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-109203 being exploited?
There is no known exploitation of CVE-2026-109203 in the wild and no public exploit code.
Sources
Also known as GHSA-p7xp-ppgx-x3x2.