CVE-2026-41947

Name: CVE-2026-41947
Creator: NVD / NIST
Published: 2026-05-18T15:16:25.827+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.3/10EPSS 0.45%

Last modified Jun 22, 2026

CVE-2026-41947 is a critical-severity vulnerability rated 9.3/10 on the CVSS scale. Dify before version 1.14.2 contains an authorization bypass vulnerability that allows authenticated editor users to set and enable trace configurations for any application regardless of tenant ownership. Attackers can exploit missing tenant ownership checks in the trace configuration endpoints to redirect all messages and responses from victim applications to attacker-controlled LLM trace providers. EPSS estimates a 0.45% chance of exploitation in the next 30 days.

Description

Dify before version 1.14.2 contains an authorization bypass vulnerability that allows authenticated editor users to set and enable trace configurations for any application regardless of tenant ownership. Attackers can exploit missing tenant ownership checks in the trace configuration endpoints to redirect all messages and responses from victim applications to attacker-controlled LLM trace providers. NOTE: Dify Cloud allows unauthenticated free self-registration, making account creation trivially accessible to any attacker.

Metrics

CVSS 3.1

9.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CVSS 4.0

9.3/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.45%

36.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-639

Affected Software

Vendor	Product	Versions
Dify	Dify	<= 1.14.1

References

https://github.com/langgenius/dify/commit/55d05fe52de880cd8497df8cea052351c594fad8
https://github.com/langgenius/dify/pull/35793Issue Tracking, Mitigation, Patch
https://github.com/langgenius/dify/releases/tag/1.14.2
https://huntr.com/bounties/a43076b2-fbc8-4750-9647-89a036b52f52Exploit, Third Party Advisory
https://www.vulncheck.com/advisories/dify-authorization-bypass-via-trace-configuration-endpointsThird Party Advisory
https://www.zafran.io/resources/difytap-zafran-discovers-how-attackers-can-silently-wiretap-ai-data-across-tenants-on-a-platform-powering-1m-apps

Timeline

Published: May 18, 2026
Last Modified: Jun 22, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2026-41947?

How severe is CVE-2026-41947?

CVE-2026-41947 has a CVSS score of 9.3/10 (CRITICAL severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.

How do I fix CVE-2026-41947?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-41947?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST