CVE-2026-6619: langgenius dify ImagePreview image-preview.tsx openInNewTab cross site scripting

Severity: low (CVSS 3.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-20 · updated 2026-10-26
Weakness: CWE-79

Description

A vulnerability has been found in langgenius dify up to 1.13.3. Impacted is the function openInNewTab of the file web/app/components/base/image-uploader/image-preview.tsx of the component ImagePreview. The manipulation of the argument filename leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

langgenius dify: 1.13.0, 1.13.1, 1.13.2, 1.13.3

References

https://gist.github.com/chenhouser2025/a8ac169dad5cf84811cf9c0505491ea8
https://vuldb.com/submit/792242
https://vuldb.com/vuln/358254
https://vuldb.com/vuln/358254/cti

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