CVE-2026-12606 PUBLISHED

Assigner: eclipse
Reserved: 18.06.2026 Published: 14.07.2026 Updated: 14.07.2026

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.

Metrics

CVSS 4.0

CVSS 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
CVSS Score: 6.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	Present	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Eclipse Foundation
Product	Eclipse GlassFish
Versions	Default: unaffected affected from 4.0.0 to 4.0.2 (incl.) affected from 5.0.0 to 5.0.2 (excl.)

Credits

Sebastiano Sartor finder

References

https://gitlab.eclipse.org/security/cve-assignment/-/work_items/129

Problem Types

CWE-444: Inconsistent Interpretation of HTTP Requests CWE

Impacts

CAPEC-33: HTTP Request Smuggling