gcdRadar
archive/Patch now/AIR-2026-1325
closedclosed 3 Sep 2026Patch now2 Disclosed vulnerabilityAI

CVE-2026-85021: Cross-site scripting vulnerability in Langgenius Dify splash layout

dify

A cross-site scripting vulnerability exists in Dify version 1.13.0 via the splash layout component. Attackers can remotely manipulate the redirect URL parameter to cause malicious script execution.

disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why

CVSS
4.3
EPSS
0.01 · top 57% · 2026-11-13
EPSS scores by FIRST
fix status
Fix status unknown
first report
3 Sep 2026
last update
3 Sep 2026
CVE ids
CVE-2026-85021other records

Timeline · 1

  1. 3 Sep 2026CVE-2026-85021: A vulnerability was determined in langgenius dify 1.13.0.

Sources · 1

Advisories and databases

  1. 2026-09-03
    CVE-2026-85021: A vulnerability was determined in langgenius dify 1.13.0.
    NVD · nvd.nist.gov/vuln/detail/CVE-2026-85021

Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.

Classification

lane
Patch now
AI role
Attack on AI
categories
Infrastructure vulnerability
severity
2 · Disclosed vulnerability
fix status
Fix status unknown
targets
Framework / tooling
owasp llm top 10
LLM03:2025 Supply Chain
mitre atlas
no technique for these categories
tags
xss
dates
happened 3 Sep 2026 · first reported 3 Sep 2026
origin
NVD
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
record
confidence 0.95 · created 2026-10-18 10:04Z · updated 2026-10-18 10:04Z

Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned

Copy a brief

This record as a short Markdown brief, for a ticket, a chat or a coding agent.

the brief as text
# CVE-2026-85021: Cross-site scripting vulnerability in Langgenius Dify splash layout

https://gcdradar.vercel.app/incidents/cve-2026-85021-cross-site-scripting-vulnerability-in-langgen · AIR-2026-1325 · closed 2026-09-03

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-09-03
- AI role: Attack on AI
- Products: dify
- CVE ids: CVE-2026-85021
- CVSS: 4.3

## Summary

A cross-site scripting vulnerability exists in Dify version 1.13.0 via the splash layout component. Attackers can remotely manipulate the redirect URL parameter to cause malicious script execution.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-09-03: CVE-2026-85021: A vulnerability was determined in langgenius dify 1.13.0. (https://nvd.nist.gov/vuln/detail/CVE-2026-85021)

## Sources

- 2026-09-03 NVD: CVE-2026-85021: A vulnerability was determined in langgenius dify 1.13.0. https://nvd.nist.gov/vuln/detail/CVE-2026-85021

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.

Related

  1. closed3.5
    Dify CVE-2026-85022: Cross-site scripting vulnerability in Langgenius Dify web app sign-in

    Patch now · Disclosed · since 3 Sep 2026 · CVE-2026-85022

    AI
  2. closed6.3
    Dify CVE-2026-18632: Template injection vulnerability in langgenius Dify

    Patch now · Disclosed · since 3 Aug 2026 · CVE-2026-18632

    AI
  3. closed3.5
    Dify CVE-2026-6619: Cross-site scripting vulnerability in Langgenius Dify

    Patch now · Disclosed · since 20 Apr 2026 · CVE-2026-6619

    AI
  4. closed6.3
    Dify CVE-2026-6618: Server-side request forgery vulnerability in langgenius dify parser

    Patch now · Disclosed · since 20 Apr 2026 · CVE-2026-6618

    AI
  5. closed6.3
    Dify CVE-2026-6617: Server-side request forgery vulnerability in langgenius dify

    Patch now · Disclosed · since 20 Apr 2026 · CVE-2026-6617

    AI
  6. closed9.1
    Langchain-Chatchat CVE-2026-51882: Path traversal vulnerability in Langchain-Chatchat file upload

    Patch now · Disclosed · since 1 Oct 2026 · CVE-2026-51882

    AI