langgenius dify 1.13.0 WebApp Sign-In mail-and-password-auth.tsx router.replace redirect_url cross site scripting

Summaryinfo

A vulnerability has been found in langgenius dify 1.13.0 and classified as problematic. Affected by this issue is the function router.replace of the file web/app/(shareLayout)/webapp-signin/components/mail-and-password-auth.tsx of the component WebApp Sign-In. Performing a manipulation of the argument redirect_url results in cross site scripting. This vulnerability is cataloged as CVE-2026-85022. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability, which was classified as problematic, was found in langgenius dify 1.13.0. This affects the function router.replace of the file web/app/(shareLayout)/webapp-signin/components/mail-and-password-auth.tsx of the component WebApp Sign-In. The manipulation of the argument redirect_url with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity.

The advisory is shared at huntr.com. This vulnerability is uniquely identified as CVE-2026-85022. The exploitability is told to be easy. It is possible to initiate the attack remotely. It demands that the victim is doing some kind of user interaction. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The exploit is shared for download at gist.github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• langgenius

Name

• dify

Version

• 1.13.0

Website

• Product: https://github.com/langgenius/dify/

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Submitinfo

Accepted

• Submit #880602: langgenius dify 1.13.0 DOM-Based XSS, Open Redirect (by trebledj)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion