{"id":"CVE-2026-46386","summary":"OpenProject: Pre-authentication RCE in openproject/openproject Docker image via default `SECRET_KEY_BASE=OVERWRITE_ME` and `cookies_serializer = :marshal`","details":"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 .","aliases":["GHSA-r85r-gjq2-f83r"],"modified":"2026-07-08T08:13:38.959673665Z","published":"2026-06-26T19:26:39.961Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46386.json","cwe_ids":["CWE-1188","CWE-1392","CWE-502","CWE-798"],"cna_assigner":"GitHub_M"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46386.json"},{"type":"ADVISORY","url":"https://github.com/opf/openproject/security/advisories/GHSA-r85r-gjq2-f83r"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46386"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/opf/openproject","events":[{"introduced":"aa538d62bf5262c9cda886e9a942bc24aba78f00"},{"fixed":"d9a99f12d793e912a3de65c10e395016933c9378"},{"introduced":"0"},{"fixed":"cd0d46e68f91e27deeb1fd12511a646043612498"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"8.3.0"},{"fixed":"17.2.4"},{"introduced":"17.3.0"},{"fixed":"17.3.2"}]}}],"versions":["v17.3.1","v17.2.3","v17.2.2","11.2.1","v10.5","v9.0.0-pre","v5.0.4","sprint/2015_04","sprint/2015_03","sprint/2015_02","sprint/2015_01","sprint/2014_18","sprint/2014_16","sprint/2014_13","sprint/2014_12","sprint/2014_11","sprint/2014_10","sprint/2014_09","sprint/2014_08","2.4.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-46386.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"}]}