CVE-2026-46386
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 .
Scoring
- Severity
- CRITICAL
- CVSS base score
- 9.9
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- EPSS probability
- 0.49%
- CWE
- CWE-502, CWE-798, CWE-1188, CWE-1392
- Published
- 2026-06-26
- Last modified
- 2026-06-26
Affected products
- opf openproject
- opf openproject
Weakness type
Related vulnerabilities
- CVE-2026-87930 — MaxSite CMS through 109.6 PHP Object Injection via ci_session
- CVE-2026-87874 — Community.general: community.general: memcached cache plugin deserializes untrusted pickle data from memcached, enabling cache-poisoning remote code execution on the ansible controller
- CVE-2024-58381 — PocketMine-MP before 5.11.1 Denial of Service via LoginPacket
- CVE-2026-11363 — Ninja Forms <= 3.14.6 - Authenticated (Administrator+) PHP Object Injection via Form Import
- CVE-2026-87083 — tile-ai tilelang Kernel Cache kernel_cache.py KernelCache._load_kernel_from_disk deserialization
- CVE-2026-81385 — Microsoft Office Publisher Remote Code Execution Vulnerability
- CVE-2026-77484 — Microsoft SQL Server Remote Code Execution Vulnerability
- CVE-2026-65772 — Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability