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CVE-2026-40896

OpenProject has Cross-Project Meeting Agenda Item Injection via Unscoped Section Lookup PUBLISHED

Description (CNA)

OpenProject is open-source, web-based project management software. Prior to version 17.3.0, a user with `manage_agendas` permission in any project can inject agenda items into meetings belonging to any other project on the instance — even projects they have no access to. No knowledge of the target project, meeting, or victim is required; the attacker can blindly spray items into every meeting on the instance by iterating sequential section IDs. Version 17.3.0 patches the issue.

Affected (CNA)

Vendor / productVersions
opf / openprojectaffected < 17.3.0

CWE

CWE-367, CWE-639

References

ADP enrichment

CISA-ADP

No English description supplied.