CVE Catalog

CVE-2026-12606

MediumCVSS 5.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.19%

9th percentile - higher than 9% of all known CVEs

Summary

Eclipse Grizzly before version 5.0.2 improperly parses the trailer section in malformed headers, allowing HTTP request smuggling. Version 5.0.1 includes system properties that fix the vulnerability.

Risk Assessment

An attacker can perform HTTP request smuggling, potentially bypassing security controls and accessing unauthorized resources.

Recommendation

Set system properties org.glassfish.grizzly.http.STRICT_HEADER_NAME_VALIDATION_RFC_9110 and STRICT_HEADER_VALUE_VALIDATION_RFC_9110 to "true" or upgrade to version 5.0.2.

Related vulnerabilities

Original NVD description (English source)

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".

Vulnerability data from NVD (NIST) · CISA KEV · EPSS