Eclipse Grizzly in versions before 5.0.2, cannot properly parse the trailer section in malformed trailer header's line, which can be leveraged to perform HTTP request smuggling.
History

Fri, 17 Jul 2026 23:15:00 +0000

Type Values Removed Values Added
Title HTTP Request Smuggling via Malformed Trailer Header in Eclipse Grizzly

Tue, 14 Jul 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 14 Jul 2026 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Eclipse
Eclipse glassfish
Vendors & Products Eclipse
Eclipse glassfish

Tue, 14 Jul 2026 09:15:00 +0000

Type Values Removed Values Added
Description Eclipse Grizzly in versions before 5.0.2, cannot properly parse the trailer section in malformed trailer header's line, which can be leveraged to perform HTTP request smuggling.
Weaknesses CWE-444
References
Metrics cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: eclipse

Published: 2026-07-14T08:28:17.257Z

Updated: 2026-07-14T12:17:41.970Z

Reserved: 2026-06-18T11:27:18.643Z

Link: CVE-2026-12606

cve-icon Vulnrichment

Updated: 2026-07-14T12:17:38.172Z

cve-icon NVD

No data.

cve-icon Redhat

No data.