CVE-2026-67527

Summary

OpenProject is open-source, web-based project management software. Prior to 17.6.0, PATCH /api/v3/work_packages/{id} accepted _links.fileLinks and allowed authenticated users with edit_work_packages but without manage_file_links to resolve Storages::FileLink records by raw id, detach or hard-delete existing FileLinks, and re-parent FileLinks from other projects to an attacker-controlled work package, exposing origin filename, origin id, and MIME type metadata. This issue is fixed in 17.6.0.

Affected Software

Weaknesses

• CWE-862: CWE-862: Missing Authorization

References

• https://github.com/opf/openproject/security/advisories/GHSA-c6rc-4288-8p4f
• https://github.com/opf/openproject/pull/23815
• https://github.com/opf/openproject/commit/db480bdeb8802e3d33e4448bb4e4b56a01de2e1f
• https://github.com/opf/openproject/releases/tag/v17.6.0

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