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OpenAdvisories
Medium · 6.3 CVE-2026-12606 EUVD-2026-43641GHSA-c269-4hpf-qfhc

Eclipse Grizzly in versions before 5.0.2, cannot properly parse the trailer section in malformed trailer header's line, which can be levera…

Published Jul 14, 2026 · Updated Jul 27, 2026 · Assigned by eclipse

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. 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".

Affected products

VendorProductAffectedFixed
Eclipse Foundation Eclipse GlassFish 4.0.0 – ≤ 4.0.2, 5.0.0 – < 5.0.2 5.0.2

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Ubuntu 18.04 LTS glassfish No fix yet —
Ubuntu 16.04 LTS glassfish No fix yet —

References