Vulnerability Description
In Eclipse Lyo versions 2.0.0 to 7.0.0, OAuth server authorization checks can be bypassed when the 2-legged auth is supported by the server. In those cases, application that based their authz filters upon Lyo-provided `AbstractAdapterCredentialsFilter`, are vulnerable. An attacked can create a provisional trusted client (valid use-case) but then it can be used as a trusted client immediately without requiring the administrator approval to clear the provisional status. The 3-legged path requiring user interaction is not vulnerable and rejects provisional clients.
Related Weaknesses (CWE)
References
- https://github.com/eclipse-lyo/lyo/releases/tag/v6.0.1.Final
- https://github.com/eclipse-lyo/lyo/releases/tag/v7.0.0.Beta3
- https://gitlab.eclipse.org/security/cve-assignment/-/work_items/221
FAQ
What is CVE-2026-18918?
CVE-2026-18918 is a documented vulnerability. In Eclipse Lyo versions 2.0.0 to 7.0.0, OAuth server authorization checks can be bypassed when the 2-legged auth is supported by the server. In those cases, application that based their authz filters ...
How severe is CVE-2026-18918?
CVSS scoring is not yet available for CVE-2026-18918. Check NVD for updates.
Is there a patch for CVE-2026-18918?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.