CVE-2026-12606
Last modified
CVE-2026-12606 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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".. EPSS estimates a 0.19% chance of exploitation in the next 30 days.
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".
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Eclipse | Grizzly | >= 4.0.0, <= 4.0.2 |
| Eclipse | Grizzly | >= 5.0.0, < 5.0.2 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2026-12606?
How severe is CVE-2026-12606?
How do I fix CVE-2026-12606?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-12595The LoginPress Pro plugin for WordPress is vulnerable to Aut…8.1
- CVE-2026-12597The LoginPress Pro plugin for WordPress is vulnerable to Aut…8.1
- CVE-2026-12598The LoginPress Pro plugin for WordPress is vulnerable to aut…8.1
- CVE-2026-1260Invalid memory access in Sentencepiece versions less than 0.…7.8
- CVE-2026-12602Incorrect default permissions in ArubaSign, affecting versio…8.8
- CVE-2026-12605In Eclipse GlassFish versions 8.0.x before 8.0.4, CSRF + SSR…9.6
- CVE-2026-12609In Eclipse Theia versions 1.66.0 and up until including 1.73…7.5
- CVE-2026-1261The MetForm Pro plugin for WordPress is vulnerable to Stored…7.2
- CVE-2026-12610A flaw was found in sssd. When authenticating with a YubiKey…6.4
- CVE-2026-12616The /v1/upload/sbom endpoint extracts the iss claim from the…6.9
- CVE-2026-12617The issue is unexpected program termination based on orderin…7.5
- CVE-2026-12619Improper Neutralization of Input During Web Page Generation …5.4
Are you affected by CVE-2026-12606?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST