PatchTheCVECVE-2026-41949: Dify before version 1.14.2 contains an authorization bypass vulnerability in the file preview endpoint that al
CVE-2026-41949 is a medium-severity flaw (CVSS 5.9) affecting dify. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 the file's UUID. Attackers can access the /console/api/files/{file_id}/preview endpoint with an intercepted file UUID to extract sensitive content from documents without ownership or workspace permission verific
Why this priority
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.9 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 62%) |
| CISA exploited list | No |
| Weakness | CWE-639 |
| Published | 2026-05-18 |
| Last modified | 2026-10-14 |
Last updated 2026-10-14 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-41949?
dify: upgrade to newer than 1.14.1. Exact commands for each OS are on this page.
Is CVE-2026-41949 being exploited?
CVE-2026-41949 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-41949 affect?
CVE-2026-41949 affects dify. Severity is medium (CVSS 5.9). 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 t
How urgent is CVE-2026-41949?
Priority 40/100. Public exploit reference; Remotely exploitable, no login, no user action
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- CVE-2026-41947 CRITICAL 9.1 UPGRADE Dify before version 1.14.2 contains an authorization bypass vulnerability that allows authenticated editor use
- CVE-2026-41948 CRITICAL 9.4 UPGRADE Dify version 1.14.1 and prior contain a path traversal vulnerability that allows authenticated users to manipu