High severity · published Jul 14, 2026
CVE-2026-10051
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
7.5
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EJ
Eclipse Jetty · Eclipse Foundation
12.0.0 through 12.0.35; 12.1.0 through 12.1.9 · source: vendor
JE
Jetty · Eclipse
12.0.0 before 12.0.36; 12.1.0 before 12.1.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-10051
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-10051
Vendor Advisory
https://gitlab.eclipse.org/security/cve-assignment/-/work_items/119
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