CVE-2026-24685
HighSummary
OpenProject to oprogramowanie do zarządzania projektami, które ma podatność na nieautoryzowane zapisywanie plików w wersjach przed 16.6.6 i 17.0.2. Wykorzystując specjalnie przygotowaną wartość rev, atakujący może wstrzyknąć opcje wiersza poleceń git show, co pozwala na zapisanie danych w dowolnej lokalizacji.
Risk Assessment
Podatność ta umożliwia użytkownikom z uprawnieniami ':browse_repository' tworzenie lub nadpisywanie dowolnych plików, co prowadzi do utraty danych oraz odmowy usługi, wpływając na integralność i dostępność systemu.
Recommendation
Zaleca się aktualizację OpenProject do wersji 16.6.6 lub 17.0.2, aby usunąć tę podatność oraz ograniczenie dostępu do uprawnień ':browse_repository' tylko dla zaufanych użytkowników.
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Original NVD description (English source)
OpenProject is an open-source, web-based project management software. Versions prior to 16.6.6 and 17.0.2 have an arbitrary file write vulnerability in OpenProject’s repository diff download endpoint (`/projects/:project_id/repository/diff.diff`) when rendering a single revision via git show. By supplying a specially crafted rev value (for example, `rev=--output=/tmp/poc.txt)`, an attacker can inject git show command-line options. When OpenProject executes the SCM command, Git interprets the attacker-controlled rev as an option and writes the output to an attacker-chosen path. As a result, any user with the `:browse_repository` permission on the project can create or overwrite arbitrary files that the OpenProject process user is permitted to write. The written contents consist of git show output (commit metadata and patch), but overwriting application or configuration files still leads to data loss and denial of service, impacting integrity and availability. The issue has been fixed in

