CVE-2026-46386
CRITICAL
NVD
CVSS Score
9.9
Severity
CRITICAL
Published
Jun 26, 2026
Vendor
unknown
Description
OpenProject is open-source, web-based project management software. Prior to , the official openproject/openproject Docker image ships ENV SECRET_KEY_BASE=OVERWRITE_ME as the default Rails master key. Combined with cookies_serializer = :marshal, this gives any logged-in user a deterministic Marshal-deserialization path reachable via the /my/two_factor_devices cookie reader This vulnerability is fixed in .