liketrek TREK up to 3.1.2 File Linking link findForeignLinkTarget reservation_id/place_id/assignment_id authorization

Summaryinfo

A vulnerability labeled as problematic has been found in liketrek TREK up to 3.1.2. Affected by this vulnerability is the function findForeignLinkTarget of the file /api/trips/:tripId/files/:id/link of the component File Linking. Such manipulation of the argument reservation_id/place_id/assignment_id leads to authorization. This vulnerability is listed as CVE-2026-62945. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in liketrek TREK up to 3.1.2 and classified as problematic. Affected by this issue is the function findForeignLinkTarget of the file /api/trips/:tripId/files/:id/link of the component File Linking. The manipulation of the argument reservation_id/place_id/assignment_id with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. Impacted is confidentiality. CVE summarizes:

TREK is a collaborative travel planner. Prior to 3.1.3, TREK file upload, update, and link actions accept attacker-controlled reservation_id, place_id, and assignment_id values without using findForeignLinkTarget() to verify that the referenced object belongs to the file's trip. An authenticated user with file-edit permission on any accessible trip can submit a foreign reservation identifier through POST /api/trips/:tripId/files/:id/link, POST /api/trips/:tripId/files, or PUT /api/trips/:tripId/files/:id. Subsequent reads through FILE_SELECT or getFileLinks() join the foreign reservation and return reservation_title, disclosing reservation existence and titles across private trip boundaries. This issue is fixed in version 3.1.3.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-62945 since 07/15/2026. The exploitation is known to be easy. The attack may be launched remotely. Technical details are known, but there is no available exploit.

Upgrading to version 3.1.3 eliminates this vulnerability.

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Productinfo

Vendor

• liketrek

Name

• TREK

Version

• 3.1.0
• 3.1.1
• 3.1.2

Website

• Product: https://github.com/liketrek/TREK/

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