CVE-2026-46386

critical · 9.9

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 .

9.9

CVSS

0.5%

EPSS (exploit prob.)

41st

EPSS percentile

2026-06-26

Published

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Weaknesses

CWE-502CWE-798CWE-1188CWE-1392

References

https://github.com/opf/openproject/security/advisories/GHSA-r85r-gjq2-f83r

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-46386