CVE-2026-49355: Opf Openproject

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

OpenProject is open-source, web-based project management software. Prior to 17.4.0, `GET /api/v3/meetings/:meeting_id/agenda_items/:agenda_item_id` discloses private work package data from a linked work package that belongs to a private/inaccessible project. This vulnerability is fixed in 17.4.0.

Affected products

• Opf Openproject: before 17.4.0 (fixed in 17.4.0)

Published 2026-06-26. Last modified 2026-06-29.