CVE-2026-49355 MEDIUM

CVE-2026-49355: OpenProject: Private work package data disclosure through single meeting agenda item API

Vendor Opf
Product openproject
Weakness CWE-200 · Info exposure
Published June 26, 2026
Last update June 29, 2026

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 26, 2026 CVE published
June 29, 2026 Record updated