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archive/Patch now/AIR-2026-1200
closedclosed 31 Jul 2026Patch now3 Confirmed exploitationAI

CVE-2026-9198: IBM Langflow OSS unauthenticated RCE vulnerability

IBM Langflow OSS

An unauthenticated remote code execution vulnerability exists in IBM Langflow OSS via chained API endpoints. Exploitation has been confirmed in the wild according to CISA KEV.

CVSS
9.8
EPSS
0.29 · top 2% · 2026-11-13
EPSS scores by FIRST
KEV
listed CISA KEV
fix status
Fix status unknown
first report
17 Jul 2026
last update
17 Jul 2026
CVE ids
CVE-2026-9198other records

Timeline · 1

  1. 17 Jul 2026CVE-2026-9198: IBM Langflow OSS 1.0.0 through 1.10.0 allows unauthenticated attackers to chain /api/v1/auto_login (mints SUPERUSER tokens to any…

Sources · 1

Advisories and databases

  1. 2026-07-17
    CVE-2026-9198: IBM Langflow OSS 1.0.0 through 1.10.0 allows unauthenticated attackers to chain /api/v1/auto_login (mints SUPERUSER tokens to any…
    NVD · nvd.nist.gov/vuln/detail/CVE-2026-9198

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
3 · Confirmed exploitation
fix status
Fix status unknown
targets
Framework / tooling
owasp llm top 10
LLM03:2025 Supply Chain
mitre atlas
no technique for these categories
tags
rcecisa-kev
dates
happened 17 Jul 2026 · first reported 17 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-2026-9198: IBM Langflow OSS unauthenticated RCE vulnerability

https://gcdradar.vercel.app/incidents/cve-2026-9198-ibm-langflow-oss-unauthenticated-rce-vulnerabi · AIR-2026-1200 · closed 2026-07-31

- Lane: Patch now
- Severity: 3 (Confirmed exploitation)
- Fix status: Fix status unknown
- First reported: 2026-07-17
- AI role: Attack on AI
- Products: IBM Langflow OSS
- CVE ids: CVE-2026-9198
- CVSS: 9.8

## Summary

An unauthenticated remote code execution vulnerability exists in IBM Langflow OSS via chained API endpoints. Exploitation has been confirmed in the wild according to CISA KEV.

## What to do

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

## Latest updates

- 2026-07-17: CVE-2026-9198: IBM Langflow OSS 1.0.0 through 1.10.0 allows unauthenticated attackers to chain /api/v1/auto_login (mints SUPERUSER tokens to any… (https://nvd.nist.gov/vuln/detail/CVE-2026-9198)

## Sources

- 2026-07-17 NVD: CVE-2026-9198: IBM Langflow OSS 1.0.0 through 1.10.0 allows unauthenticated attackers to chain /api/v1/auto_login (mints SUPERUSER tokens to any… https://nvd.nist.gov/vuln/detail/CVE-2026-9198

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

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