Cyber Posture

CVE-2026-41949

MediumPublic PoC

Published: 18 May 2026

Published
18 May 2026
Modified
19 May 2026
KEV Added
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Patch
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CVSS Score 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0003 8.7th percentile
Risk Priority 12 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-41949 is a medium-severity Authorization Bypass Through User-Controlled Key (CWE-639) vulnerability in Dify Dify. Its CVSS base score is 5.9 (Medium).

Operationally, ranked at the 8.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

Threat & Defense Details

Likely Mitigating ControlsAI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

AC-24 Access Control Decisions
addresses: CWE-639

Per-request decision making makes it harder to bypass authorization using user-controlled keys without proper validation in the decision process.

AC-3 Access Enforcement
addresses: CWE-639

Consistent enforcement of approved authorizations makes bypassing via user-controlled keys ineffective.

NVD Description

Dify version 1.14.1 and prior contain 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.…

more

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 verification. NOTE: Dify Cloud allows unauthenticated free self-registration, making account creation trivially accessible to any attacker.

Deeper analysisAI

Automated synthesis unavailable for this CVE.

Details

CWE(s)
CWE-639

Affected Products

dify
dify
≤ 1.14.1

References