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archive/Patch now/AIR-2026-1270
closedclosed 8 Aug 2026Patch now2 Disclosed vulnerabilityAI

CVE-2026-67620: Flowise SSRF Vulnerability in Metadata Guard

Flowise

Flowise versions up to 3.1.4 contain an SSRF vulnerability where metadata endpoints are omitted from the default deny list. Authenticated attackers can force the server to issue arbitrary GET requests to cloud instance metadata services.

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
7.7
EPSS
<0.01 · top 60% · 2026-11-13
EPSS scores by FIRST
fix status
Fix status unknown
first report
8 Aug 2026
last update
8 Aug 2026
CVE ids
CVE-2026-67620other records

Timeline · 1

  1. 8 Aug 2026CVE-2026-67620: Flowise through 3.1.4 contains a server-side request forgery vulnerability in the SSRF guard implemented in httpSecurity.ts,…

Sources · 1

Advisories and databases

  1. 2026-08-08
    CVE-2026-67620: Flowise through 3.1.4 contains a server-side request forgery vulnerability in the SSRF guard implemented in httpSecurity.ts,…
    NVD · nvd.nist.gov/vuln/detail/CVE-2026-67620

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
ssrfflowise
dates
happened 8 Aug 2026 · first reported 8 Aug 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-2026-67620: Flowise SSRF Vulnerability in Metadata Guard

https://gcdradar.vercel.app/incidents/cve-2026-67620-flowise-ssrf-vulnerability-in-metadata-guard · AIR-2026-1270 · closed 2026-08-08

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-08-08
- AI role: Attack on AI
- Products: Flowise
- CVE ids: CVE-2026-67620
- CVSS: 7.7

## Summary

Flowise versions up to 3.1.4 contain an SSRF vulnerability where metadata endpoints are omitted from the default deny list. Authenticated attackers can force the server to issue arbitrary GET requests to cloud instance metadata services.

## What to do

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

## Latest updates

- 2026-08-08: CVE-2026-67620: Flowise through 3.1.4 contains a server-side request forgery vulnerability in the SSRF guard implemented in httpSecurity.ts,… (https://nvd.nist.gov/vuln/detail/CVE-2026-67620)

## Sources

- 2026-08-08 NVD: CVE-2026-67620: Flowise through 3.1.4 contains a server-side request forgery vulnerability in the SSRF guard implemented in httpSecurity.ts,… https://nvd.nist.gov/vuln/detail/CVE-2026-67620

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

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