CVE-2026-49355

OpenProject: Private work package data disclosure through single meeting agenda item API

State: Published
Severity: 4.3 Medium
Published: Jun 26, 2026
Updated: Jun 29, 2026
Reserved: May 29, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	GitHub_M

Weaknesses

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-639 Authorization Bypass Through User-Controlled Key

Affected Products

Product	Versions
openprojectopf	< 17.4.0Affected

References

https://github.com/opf/openproject/security/advisories/GHSA-g387-6rm2-xw88

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