CVE-2026-44696

OpenProject is open-source, web-based project management software. Prior to 17.4.0, OpenProject's rich text (markdown) rendering pipeline uses Sanitize::Config::RELAXED[:css] for inline style sanitization. This configuration permits essentially all CSS properties in style attributes on permitted HTML elements (figure, img, table, th, tr, td). This allows any authenticated user with write access to formattable text fields (work package descriptions, comments, project descriptions, news) to inject CSS This vulnerability is fixed in 17.4.0.

• CWE-79

• https://github.com/opf/openproject/security/advisories/GHSA-j9q2-49mp-hmq5
• https://github.com/opf/openproject/security/advisories/GHSA-j9q2-49mp-hmq5

Published

Jun 26, 2026

Last Modified

Jun 27, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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