Jetty contains an alias issue that could allow unauthenticated remote code execution due to specially crafted request
The path normalization mechanism in PathResource class in Eclipse Jetty 9.3.x before 9.3.9 on Windows allows remote attackers to bypass protected resource restrictions and other security constraints via a URL with certain escaped characters, related to backslashes.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.eclipse.jetty:jetty-server | >= 9.3.0, < 9.3.9 | 9.3.9 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2016-4800
- https://github.com/advisories/GHSA-872g-2h8h-362q
- https://security.netapp.com/advisory/ntap-20190307-0006
- https://www.oracle.com/security-alerts/cpuoct2020.html
- http://dev.eclipse.org/mhonarc/lists/jetty-announce/msg00092.html
- http://www.ocert.org/advisories/ocert-2016-001.html
- http://www.securityfocus.com/bid/90945
- http://www.zerodayinitiative.com/advisories/ZDI-16-362
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-284- Platform
- Java / Kotlin (Maven)
- Package
org.eclipse.jetty:jetty-server- Disclosed
- 19.10.2018
- Updated
- 11.10.2026 11:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-872g-2h8h-362q - CC BY 4.0
Vulnerability history: org.eclipse.jetty:jetty-server
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 29
- First → latest
- 10.2018 07.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 4
- High 10
- Medium 13
- Low 2
Disclosures per year
- 2018: 8
- 2019: 5
- 2020: 2
- 2021: 3
- 2022: 3
- 2023: 2
- 2024: 1
- 2025: 1
- 2026: 4
-
Jetty contains an alias issue that could allow unauthenticated remote code execution due to specially crafted request this entry
Know which vulnerabilities affect your application
With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.