CVE-2026-28276
CWE-200Published: February 26, 2026· Updated: Feb 27, 2026
Official Description
Initiative is a self-hosted project management platform. An access control vulnerability exists in Initiative versions prior to 0.32.2 where uploaded documents are served from a publicly accessible /uploads/ directory without any authentication or authorization checks. Any uploaded file can be accessed directly via its URL by unauthenticated users (e.g., in an incognito browser session), leading to potential disclosure of sensitive documents. The problem was patched in v0.32.2, and the patch was further improved on in 032.4.
Technical Analysis
CVE-2026-28276 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.
From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-200)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-28276 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts