CVE-2026-41949: Dify authorization bypass in file preview endpoint
Dify
Dify prior to version 1.14.2 suffers from an authorization bypass vulnerability enabling users to read sensitive contents of uploaded documents across tenants using file UUIDs. The vendor released a patch to address the issue.
disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why
- CVSS
- 8.2
- EPSS
- <0.01 · top 62% · 2026-11-13
- fix status
- Fix status unknown
- first report
- 18 May 2026
- last update
- 18 May 2026
- CVE ids
Timeline · 1
Sources · 1
Advisories and databases
- 2026-05-18CVE-2026-41949: Dify before version 1.14.2 contains an authorization bypass vulnerability in the file preview endpoint that allows any…NVD · nvd.nist.gov/vuln/detail/CVE-2026-41949
Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.
Classification
- lane
- Patch now
- AI role
- Attack on AI
- categories
- Data leakInfrastructure vulnerability
- severity
- 2 · Disclosed vulnerability
- fix status
- Fix status unknown
- targets
- Framework / tooling, Enterprise deployment
- mitre atlas
- no technique for these categories
- dates
- happened 18 May 2026 · first reported 18 May 2026
- origin
- NVDVulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
- record
- confidence 0.95 · created 2026-10-18 06:33Z · updated 2026-10-18 06:33Z
Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned
Copy a brief
This record as a short Markdown brief, for a ticket, a chat or a coding agent.
the brief as text
# CVE-2026-41949: Dify authorization bypass in file preview endpoint https://gcdradar.vercel.app/incidents/cve-2026-41949-dify-authorization-bypass-in-file-preview-end · AIR-2026-0012 · closed 2026-05-18 - Lane: Patch now - Severity: 2 (Disclosed vulnerability) - Fix status: Fix status unknown - First reported: 2026-05-18 - AI role: Attack on AI - Products: Dify - CVE ids: CVE-2026-41949 - CVSS: 8.2 ## Summary Dify prior to version 1.14.2 suffers from an authorization bypass vulnerability enabling users to read sensitive contents of uploaded documents across tenants using file UUIDs. The vendor released a patch to address the issue. ## What to do No action recorded; read the sources below and the vendor's advisory. ## Latest updates - 2026-05-18: CVE-2026-41949: Dify before version 1.14.2 contains an authorization bypass vulnerability in the file preview endpoint that allows any… (https://nvd.nist.gov/vuln/detail/CVE-2026-41949) ## Sources - 2026-05-18 NVD: CVE-2026-41949: Dify before version 1.14.2 contains an authorization bypass vulnerability in the file preview endpoint that allows any… https://nvd.nist.gov/vuln/detail/CVE-2026-41949 Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.
Related
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AI - closed4.3AnythingLLM AnythingLLM Authentication Flaw Permits Unauthorized Workspace Access
Patch now · Disclosed · since 28 May 2026 · CVE-2026-47713
AI - closed8.4Dify CVE-2025-67732: API Key Exposure Vulnerability in Dify
Patch now · Disclosed · since 5 Jan 2026 · CVE-2025-67732
AI - liveSGLang SGLang RCE Exploit Breaches NEAR AI, Steals Data From 18 Agents
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AI - closed9.2Dify CVE-2026-41948: Dify path traversal in Plugin Daemon REST API
Patch now · Disclosed · since 18 May 2026 · CVE-2026-41948
AI