CVE-2026-6918
HIGHCVSS 7.5/10EPSS 0.52%
Last modified
CVE-2026-6918 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In Eclipse Open9J versions 0.21 to 0.58, a pre-authentication remote attacker can crash JITServer by sending a 32-byte crafted TCP message.. EPSS estimates a 0.52% chance of exploitation in the next 30 days.
Description
In Eclipse Open9J versions 0.21 to 0.58, a pre-authentication remote attacker can crash JITServer by sending a 32-byte crafted TCP message.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Eclipse | Openj9 | >= 0.21.0, < 0.59.0 |
References
- https://github.com/eclipse-openj9/openj9/pull/23793Issue Tracking, Patch
- https://github.com/eclipse-openj9/openj9/security/advisories/GHSA-q393-vr4c-969rExploit, Vendor Advisory
- https://github.com/eclipse-openj9/openj9/security/advisories/GHSA-q393-vr4c-969rExploit, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2026-6918?
In Eclipse Open9J versions 0.21 to 0.58, a pre-authentication remote attacker can crash JITServer by sending a 32-byte crafted TCP message.
How severe is CVE-2026-6918?
CVE-2026-6918 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.
How do I fix CVE-2026-6918?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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-2026-69151Angular is a development platform for building mobile and de…6.1
- CVE-2026-69152The brace-expansion library generates arbitrary strings cont…7.5
- CVE-2026-69153PostCSS takes a CSS file and provides an API to analyze and …5.3
- CVE-2026-69159Rejected reason: ** REJECT ** DO NOT USE THIS CANDIDATE NUMB…
- CVE-2026-6916The Jeg Kit for Elementor – Powerful Addons for Elementor, W…6.4
- CVE-2026-69160OpenList a file list program that supports multiple storage.…6.5
- CVE-2026-69183Monkeytype is a minimalistic and customizable typing test. I…7.5
- CVE-2026-69184c-ares is an asynchronous resolver library. Prior to 1.34.7,…7.5
- CVE-2026-69185Socket.IO enables bidirectional and low-latency communicatio…7.5
- CVE-2026-69186c-ares is an asynchronous resolver library. Prior to 1.34.7,…5.3
- CVE-2026-69189Hoppscotch is an open source API development ecosystem. Prio…7.6
- CVE-2026-6919Use after free in DevTools in Google Chrome prior to 147.0.7…9.6
Are you affected by CVE-2026-6918?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST