Auth bypass in Dify
CVE-2026-41949
Dify before version 1.14.2 contains an authorization bypass vulnerability in the file preview endpoint that allows any authenticated user to read up to 3,000 characters of any uploaded document across all tenants and workspaces using only…
Vulnerability class: IDOR (Insecure Direct Object Reference)
EPSS: 0.000 (12.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Dify
- Langgenius Dify — versions 0
Weakness classification (CWE)
References
- disclosure@vulncheck.com (Exploit, technical-description, Third Party Advisory, exploit)
- disclosure@vulncheck.com (issue-tracking, Patch, Mitigation, patch, Issue Tracking)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
- disclosure@vulncheck.com (release-notes)
- disclosure@vulncheck.com (patch)
Frequently asked questions
- What is CVE-2026-41949?
- CVE-2026-41949 is a medium-severity vulnerability in Dify, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.9/10. Published 2026-05-18.
- How severe is CVE-2026-41949?
- Medium severity. CVSS v3 base score is 5.9 out of 10.