CVE-2026-41949: Dify authorization bypass in file preview endpoint
Attack on AI2 Disclosed vulnerabilityData leakInfrastructure vulnerability
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
Details
- type
- Attack on AIAn AI model, agent or AI-powered product was the thing exploited, abused or leaked.
- categories
- Data leakprimaryTraining data, chat logs, system prompts, model weights or other AI-system data exposed.
- Infrastructure vulnerabilityCVEs and advisories in AI frameworks, inference servers, MCP servers, AI developer tools and hosting stacks.
- Data leakprimary
- mitre atlas
- no technique for these categoriesBoth rows are derived from the type and categories (OWASP 2025 edition, ATLAS release 2026.09), not classified per record. How
- severity
- 2 · Disclosed vulnerabilityCVE or vendor advisory, patched or patchable, no confirmed exploitation.
- targets
- Framework / tooling, Enterprise deployment
- products
- Dify
- incident date
- 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.
- classifier confidence
- 0.95 · published at or above 0.80; see the methodology
- tags
- CVE-2026-41949 · dify · authorization-bypass
- record
- created 2026-10-18 06:33Z · updated 2026-10-18 06:33Z · json
Sources · 1
- 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
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