PT-2026-52906 · Undefined · Undefined

Published

2026-06-26

·

Updated

2026-06-26

·

CVE-2026-46386

CVSS v3.1

9.9

Critical

VectorAV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
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 .

Fix

Deserialization of Untrusted Data

Using Hardcoded Credentials

Found an issue in the description? Have something to add? Feel free to write us 👾

Weakness Enumeration

Related Identifiers

CVE-2026-46386

Affected Products

Undefined