Vulnerability · Published Jul 14, 2026 · Assigned by eclipse
CVE-2026-10051
Medium 6.9
In plain English
A medium-severity information exposure in Eclipse Jetty from Eclipse Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
In Eclipse Jetty, a first HTTP/1.1 request with trailers causes the server to retain the trailers in subsequent requests performed over the same connection. Subsequent request that do not have trailers report the trailers of the first request. Subsequent request that do have trailers report the union of trailers of the first request and the current request.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:13 | jetty12 | no fix listed | DEBIAN-CVE-2026-10051 |
| Debian:14 | jetty12 | 12.0.39-1 | DEBIAN-CVE-2026-10051 |
| Debian:12 | jetty9 | no fix listed | DEBIAN-CVE-2026-10051 |
| Debian:13 | jetty9 | no fix listed | DEBIAN-CVE-2026-10051 |
| Debian:14 | jetty9 | no fix listed | DEBIAN-CVE-2026-10051 |
| Maven | org.eclipse.jetty:jetty-server | 12.0.36 | GHSA-f4v5-65jj-pcr2 |
| Maven | org.eclipse.jetty:jetty-server | 12.1.10 | GHSA-f4v5-65jj-pcr2 |
| Ubuntu:26.04:LTS | jetty12 | no fix listed | UBUNTU-CVE-2026-10051 |
| Ubuntu:26.10 | jetty12 | no fix listed | UBUNTU-CVE-2026-10051 |
| Ubuntu:22.04:LTS | jetty9 | no fix listed | UBUNTU-CVE-2026-10051 |
| Ubuntu:24.04:LTS | jetty9 | no fix listed | UBUNTU-CVE-2026-10051 |
| Ubuntu:26.04:LTS | jetty9 | no fix listed | UBUNTU-CVE-2026-10051 |
| Ubuntu:26.10 | jetty9 | no fix listed | UBUNTU-CVE-2026-10051 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Eclipse Foundation | Eclipse Jetty | 12.0.0 – through 12.0.3512.1.0 – through 12.1.9 |
Weakness: CWE-200 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N