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…

PriorityP431medium5.7CVSS 3.1

AVNACLPRLUIRSUCNIHAN

EPSS

0.21%

11.3th percentile

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.

Affected

1 ranges

Vendor	Product	Version range	Fixed in
opf	openproject	< 17.4.0	17.4.0

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