{"id":"CVE-2026-46386","title":"OpenProject is open-source, web-based project management software","summary":"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 = :m…","severity":"critical","cvss":9.9,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","cwe":["CWE-502","CWE-798","CWE-1188","CWE-1392"],"published":"2026-06-26","updated":"2026-06-29","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-46386","references":[{"url":"https://github.com/opf/openproject/security/advisories/GHSA-r85r-gjq2-f83r","label":"security-advisories@github.com"}],"tags":["nvd"],"epss":0.0049,"epssPercentile":0.41102,"ingestedAt":"2026-06-29T14:29:18.245Z","slug":"CVE-2026-46386","body":"## Overview\n\nOpenProject 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 .\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":55,"depthScoreParts":{"impact":54.5,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}