CVE-2026-40896 - OpenProject has Cross-Project Meeting Agenda Item Injection via Unscoped Section Lookup
CVE ID :CVE-2026-40896
Published : April 20, 2026, 3:12 p.m. | 59 minutes ago
Description :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.
Severity: 0.0 | NA
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Published : April 20, 2026, 3:12 p.m. | 59 minutes ago
Description :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.
Severity: 0.0 | NA
Visit the link for more details, such as CVSS details, affected products, timeline, and more...