CVE-2026-27723
MEDIUMCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Lifecycle Timeline
2Description
OpenProject is an open-source, web-based project management software. Prior to versions 17.0.5 and 17.1.2, an attacker can create wiki pages belonging to unpermitted projects through an improperly authenticated request. This issue has been patched in versions 17.0.5 and 17.1.2.
Analysis
Unauthorized wiki page creation in OpenProject prior to versions 17.0.5 and 17.1.2 allows authenticated attackers to bypass project access controls and create pages in projects they lack permission to access. The vulnerability stems from improper authentication validation on wiki page creation requests, enabling an attacker to modify project documentation without proper authorization. …
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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External POC / Exploit Code
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