CVE-2026-77438
HighCVSS 7.5Summary
Trilium is an open-source hierarchical note-taking application. In versions up to and including 0.103.0, the public share-search endpoint does not enforce per-note shareCredentials and shareHiddenFromTree controls, allowing an unauthenticated visitor to read titles, tree paths, and content of protected shared notes. The endpoint authorizes only the ancestor note and then runs a full-text search across the entire published subtree without re-checking individual note permissions.
Risk Assessment
An attacker can use the endpoint as a boolean oracle to confirm arbitrary substrings and recover full contents of password-protected notes, compromising data confidentiality.
Recommendation
Upgrade to version 0.104.0, which enforces access controls on individual notes.
Original NVD description (English source)
Trilium is an open-source hierarchical note-taking application. In versions up to and including 0.103.0, the public share-search endpoint does not enforce the per-note shareCredentials and shareHiddenFromTree controls, allowing an unauthenticated visitor to read the titles, tree paths, and content of protected shared notes. The endpoint authorizes only the ancestor note supplied in the request and then runs a full-text search across the entire published subtree, returning each matching note's title, share identifier, and hierarchical path without re-checking whether that individual note requires a share password or is hidden from the navigation tree. Because the search matches note content, an attacker can enumerate protected notes and use the endpoint as a boolean oracle that confirms arbitrary substrings, recovering the full contents of notes that should be gated behind a password. This issue is fixed in version 0.104.0.