CVE Intelligence

Eclipse Foundation Eclipse Lyo vulnerabilities

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Published CVEs affecting Eclipse Foundation Eclipse Lyo: 1 record(s), with affected versions and fixes.

CVE-2026-18918 Critical · 9.1 CWE-863 Aug 28, 2026
OAuth 1.0 session-fixation chain via unauthenticated provisional-consumer registration and insecure v1_0Allowed default
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.