Eclipse Jetty: Cross-Request Leakage for trailers on HTTP/1.1 keep-alive connections

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS 0.0043, the 37th percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

1. 31 Oct 2026, 14:17 UTC First seen by agentprime
2. 31 Oct 2026, 14:17 UTC Confirmed by OSV

Sources

• GitHub Advisory Database: GHSA-f4v5-65jj-pcr2
• OSV: GHSA-f4v5-65jj-pcr2
• github.com/jetty/jetty.project/security/advisories/GHSA-f4v5-65jj-pcr2
• nvd.nist.gov/vuln/detail/CVE-2026-10051
• github.com/jetty/jetty.project/pull/15162
• github.com/jetty/jetty.project/pull/15163
• github.com/jetty/jetty.project/commit/72206b3ea623cf7ed8729b47a83ee628ff10e8eb
• github.com/jetty/jetty.project/commit/dc27e8d3ab743fe27935ea2d8c41756eb6c5bae9
• github.com/jetty/jetty.project
• github.com/jetty/jetty.project/releases/tag/jetty-12.0.36
• github.com/jetty/jetty.project/releases/tag/jetty-12.1.10
• gitlab.eclipse.org/security/cve-assignment/-/work_items/119

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.