CVE-2026-49355 PUBLISHED

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

Assigner: GitHub_M
Reserved: 29.05.2026 Published: 26.06.2026 Updated: 26.06.2026

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.

Metrics

CVSS 3.1

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

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	Low	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	opf
Product	openproject
Versions	Version < 17.4.0 is affected

References

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

Problem Types

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