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archive/Patch now/AIR-2026-1659
closedclosed 29 Oct 2026Patch now2 Disclosed vulnerabilityAI

CVE-2026-107327: IBM Langflow OSS Remote Code Execution Vulnerability

IBM Langflow OSS

A missing authorization vulnerability in IBM Langflow OSS versions 1.0.0 through 1.12.4 allows remote authenticated attackers to execute arbitrary code. The vulnerability has been assigned a critical CVSS score of 9.9.

why this severityCritical CVSS 9.9 vulnerability with no confirmed exploitation yet.

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
9.9
EPSS
0.01 · top 48% · 2026-11-13
EPSS scores by FIRST
fix status
Fix status unknown
affected
IBM Langflow OSS 1.0.0 to 1.12.4
first report
29 Oct 2026
last update
29 Oct 2026
CVE ids
CVE-2026-107327other records

What to do

Check vendor advisories for available updates.

Timeline · 1

  1. 29 Oct 2026CVE-2026-107327: IBM Langflow OSS 1.0.0 through 1.12.4 could allow a remote authenticated attacker to execute arbitrary code due to missing…

Sources · 1

Advisories and databases

  1. 2026-10-29
    CVE-2026-107327: IBM Langflow OSS 1.0.0 through 1.12.4 could allow a remote authenticated attacker to execute arbitrary code due to missing…
    NVD · nvd.nist.gov/vuln/detail/CVE-2026-107327

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
rcelangflow
dates
happened 29 Oct 2026 · first reported 29 Oct 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 2026-10-29 23:23Z · updated 2026-10-29 23:23Z

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-2026-107327: IBM Langflow OSS Remote Code Execution Vulnerability

https://gcdradar.vercel.app/incidents/cve-2026-107327-ibm-langflow-oss-remote-code-execution-vulne · AIR-2026-1659 · closed 2026-10-29

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability): Critical CVSS 9.9 vulnerability with no confirmed exploitation yet.
- Fix status: Fix status unknown
- First reported: 2026-10-29
- AI role: Attack on AI
- Products: IBM Langflow OSS
- CVE ids: CVE-2026-107327
- CVSS: 9.9

## Summary

A missing authorization vulnerability in IBM Langflow OSS versions 1.0.0 through 1.12.4 allows remote authenticated attackers to execute arbitrary code. The vulnerability has been assigned a critical CVSS score of 9.9.

## What to do

Check vendor advisories for available updates.

## Affected and fixed versions

- Affected: IBM Langflow OSS 1.0.0 to 1.12.4

## Latest updates

- 2026-10-29: CVE-2026-107327: IBM Langflow OSS 1.0.0 through 1.12.4 could allow a remote authenticated attacker to execute arbitrary code due to missing… (https://nvd.nist.gov/vuln/detail/CVE-2026-107327)

## Sources

- 2026-10-29 NVD: CVE-2026-107327: IBM Langflow OSS 1.0.0 through 1.12.4 could allow a remote authenticated attacker to execute arbitrary code due to missing… https://nvd.nist.gov/vuln/detail/CVE-2026-107327

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

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