CVE-2026-12606

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. Grizzly 5.0.1 supports system properties that enable the behavior that fixes the vulnerability - set org.glassfish.grizzly.http.STRICT_HEADER_NAME_VALIDATION_RFC_9110 and org.glassfish.grizzly.http.STRICT_HEADER_VALUE_VALIDATION_RFC_9110 system properties to "true".

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://gitlab.eclipse.org/security/cve-assignment/-/work_items/129	Issue Tracking

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:eclipse:grizzly::::::::
	cpe:2.3:a:eclipse:grizzly::::::::

History

No history.

Information

Published : 2026-07-14 09:16

Updated : 2026-07-27 13:16

NVD link : CVE-2026-12606

Mitre link : CVE-2026-12606

CVE.ORG link : CVE-2026-12606

JSON object : View

Products Affected

eclipse

grizzly

CWE

CWE-444

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

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