gcdRadar
archive/Patch now/AIR-2026-1219
closedclosed 29 Jul 2026Patch now2 Disclosed vulnerabilityAI

CVE-2026-18266: Open redirect vulnerability in Dify AI Workflow OAuth flow

Dify

An open redirect flaw in Dify AI Workflow allows remote attackers to force redirections and disclose sensitive information. Exploitation requires user interaction to visit a malicious site.

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
5.4
EPSS
<0.01 · top 79% · 2026-11-13
EPSS scores by FIRST
fix status
Fix status unknown
first report
29 Jul 2026
last update
29 Jul 2026
CVE ids
CVE-2026-18266other records

Timeline · 1

  1. 29 Jul 2026CVE-2026-18266: Dify AI Workflow oauth_redirect_url Open Redirect Vulnerability.

Sources · 1

Advisories and databases

  1. 2026-07-29
    CVE-2026-18266: Dify AI Workflow oauth_redirect_url Open Redirect Vulnerability.
    NVD · nvd.nist.gov/vuln/detail/CVE-2026-18266

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
dates
happened 29 Jul 2026 · first reported 29 Jul 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-2026-18266: Open redirect vulnerability in Dify AI Workflow OAuth flow

https://gcdradar.vercel.app/incidents/cve-2026-18266-open-redirect-vulnerability-in-dify-ai-workfl · AIR-2026-1219 · closed 2026-07-29

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-07-29
- AI role: Attack on AI
- Products: Dify
- CVE ids: CVE-2026-18266
- CVSS: 5.4

## Summary

An open redirect flaw in Dify AI Workflow allows remote attackers to force redirections and disclose sensitive information. Exploitation requires user interaction to visit a malicious site.

## What to do

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

## Latest updates

- 2026-07-29: CVE-2026-18266: Dify AI Workflow oauth_redirect_url Open Redirect Vulnerability. (https://nvd.nist.gov/vuln/detail/CVE-2026-18266)

## Sources

- 2026-07-29 NVD: CVE-2026-18266: Dify AI Workflow oauth_redirect_url Open Redirect Vulnerability. https://nvd.nist.gov/vuln/detail/CVE-2026-18266

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

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