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Threats Tagged 'cve-2026-61891'

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Active filters (1):Tag: cve-2026-61891

Threats Tagged 'cve-2026-61891'

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Eclipse Theia versions up to and including 1.73.1 have a vulnerability in the @theia/filesystem backend where HTTP file-download endpoints allow unauthenticated clients to read arbitrary files on the backend filesystem. This occurs because client-supplied URIs are converted directly to filesystem paths without confinement, and HTTP middleware does not enforce token validation for non-WebSocket HTTP requests in browser deployments. Electron mode is not affected by this issue.

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Eclipse Theia versions up to and including 1.73.1 contain a directory traversal vulnerability in the @theia/filesystem backend HTTP file-download endpoints. These endpoints convert client-supplied URIs directly to filesystem paths without restricting access to the workspace or allowed roots. In browser deployments, token enforcement is ineffective on HTTP requests, allowing unauthenticated clients to read any file accessible by the backend process, including sensitive files outside the workspace. Electron mode is not affected by this vulnerability via this path.

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