Vulnerability · Published Jul 29, 2026 · Assigned by zdi

CVE-2026-18266Dify AI Workflow oauth_redirect_url Open Redirect Vulnerability

Medium 5.4

In plain English

A medium-severity open redirect in Dify from LangGenius. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).

Severity (CVSS 3.0)5.4Medium

Exploit odds (30 days)0.3%top 78.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Dify AI Workflow oauth_redirect_url Open Redirect Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Dify. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the OAuth flow handling in the AppInitializer component. An attacker can force a redirection to a site that serves malicious content. An attacker can leverage this vulnerability to disclose information in the context of the application. Was ZDI-CAN-29196.

Affected products (as reported)

Vendor	Product	Versions
LangGenius	Dify	1.11.4

Weakness: CWE-601 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

References

ZDI-26-452 x_research-advisory