Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 43.7%
CVSS Severity
CVSS v3 Score 7.5
References
- https://github.com/eclipse-openj9/openj9/pull/23793
- https://github.com/eclipse-openj9/openj9/security/advisories/GHSA-q393-vr4c-969r
- https://access.redhat.com/errata/RHSA-2026:22328
- https://access.redhat.com/security/cve/CVE-2026-6918
- https://bugzilla.redhat.com/show_bug.cgi?id=2466741
- https://github.com/eclipse-openj9/openj9/security/advisories/GHSA-q393-vr4c-969r
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-6918.json