CVE-2026-40896

OpenProject is open-source, web-based project management software. Prior to version 17.3.0, a user with manageagendas 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...

CVE-2026-33667

OpenProject is an open-source project management application. In versions prior to 17.3.0, 2FA OTP verification in the confirmotp action of the twofactorauthentication module has no rate limiting, lockout mechanism, or failed-attempt tracking. The existing bruteforceblockafterfailedlogins setting...

CVE-2026-40896 OpenProject has Cross-Project Meeting Agenda Item Injection via Unscoped Section Lookup

OpenProject is open-source, web-based project management software. Prior to version 17.3.0, a user with manageagendas 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...

CVE-2026-40896 OpenProject has Cross-Project Meeting Agenda Item Injection via Unscoped Section Lookup

OpenProject is open-source, web-based project management software. Prior to version 17.3.0, a user with manageagendas 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...

CVE-2026-40896

CVE-2026-40896 concerns OpenProject before version 17.3.0, where a user with the low-privilege permission manage_agendas in any project can inject agenda items into meetings across other projects due to an unscoped section lookup vulnerability. The attack does not require knowledge of the target ...

CVE-2026-40896

OpenProject is open-source, web-based project management software. Prior to version 17.3.0, a user with manageagendas 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...

CVE-2026-40896 OpenProject has Cross-Project Meeting Agenda Item Injection via Unscoped Section Lookup

OpenProject is open-source, web-based project management software. Prior to version 17.3.0, a user with manageagendas 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...

EUVD-2026-23870

OpenProject is open-source, web-based project management software. Prior to version 17.3.0, a user with manageagendas 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...

PT-2026-33783

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...

OpenProject security vulnerabilities

OpenProject is an open-source web-based project management software. Versions of OpenProject prior to 17.3.0 had security vulnerabilities. These vulnerabilities stemmed from the ability of users with manage-agendas permissions to insert agenda items into meetings of arbitrary projects, potentiall...

CVE-2026-40896: Time-of-check Time-of-use (TOCTOU) Race Condition

OpenProject is open-source, web-based project management software. Prior to version 17.3.0, a user with manageagendas 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...

CVE-2026-33667

OpenProject is an open-source project management application. In versions prior to 17.3.0, 2FA OTP verification in the confirmotp action of the twofactorauthentication module has no rate limiting, lockout mechanism, or failed-attempt tracking. The existing bruteforceblockafterfailedlogins setting...

CVE-2026-33667 OpenProject: 2FA OTP Verification Missing Rate Limiting

OpenProject is an open-source project management application. In versions prior to 17.3.0, 2FA OTP verification in the confirmotp action of the twofactorauthentication module has no rate limiting, lockout mechanism, or failed-attempt tracking. The existing bruteforceblockafterfailedlogins setting...

CVE-2026-33667

OpenProject contains a 2FA bypass in versions before 17.3.0 due to missing rate limiting/lockout on the confirm_otp step of two_factor_authentication. The 2FA verification path (OTP and backup code) does not increment failed-attempt counters or apply delays, while the TOTP window allows roughly f...

CVE-2026-33667 OpenProject: 2FA OTP Verification Missing Rate Limiting

OpenProject is an open-source project management application. In versions prior to 17.3.0, 2FA OTP verification in the confirmotp action of the twofactorauthentication module has no rate limiting, lockout mechanism, or failed-attempt tracking. The existing bruteforceblockafterfailedlogins setting...

CVE-2026-33667

OpenProject is an open-source project management application. In versions prior to 17.3.0, 2FA OTP verification in the confirmotp action of the twofactorauthentication module has no rate limiting, lockout mechanism, or failed-attempt tracking. The existing bruteforceblockafterfailedlogins setting...

OpenProject security vulnerabilities

OpenProject is an open-source web-based project management software. Versions of OpenProject prior to 17.3.0 had security vulnerabilities. These vulnerabilities stemmed from the two-factor authentication module’s confirmotp operation, where the 2FA OTP verification lacked rate limiting, a lockout...

CVE-2026-33667: Improper Restriction of Excessive Authentication Attempts

OpenProject is an open-source project management application. In versions prior to 17.3.0, 2FA OTP verification in the confirmotp action of the twofactorauthentication module has no rate limiting, lockout mechanism, or failed-attempt tracking. The existing bruteforceblockafterfailedlogins setting...

CVE-2026-34717

OpenProject is an open-source, web-based project management software. Prior to version 17.2.3, the =n operator in modules/reporting/lib/report/operator.rb:177 embeds user input directly into SQL WHERE clauses without parameterization. This issue has been patched in version 17.2.3...

CVE-2026-34717

OpenProject is an open-source, web-based project management software. Prior to version 17.2.3, the =n operator in modules/reporting/lib/report/operator.rb:177 embeds user input directly into SQL WHERE clauses without parameterization. This issue has been patched in version 17.2.3...