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archive/Patch now/AIR-2026-1192
closedclosed 17 Jul 2026Patch now2 Disclosed vulnerabilityAI

CVE-2026-8476: IBM Langflow OSS remote code execution via unsafe pickle deserialization

Langflow

IBM Langflow OSS versions 1.0.0 through 1.10.0 contain an RCE vulnerability in the AsyncDiskCache class due to the use of unsafe pickle deserialization. Attackers able to influence cached data can achieve complete system compromise.

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 38% · 2026-11-13
EPSS scores by FIRST
fix status
Fix status unknown
first report
17 Jul 2026
last update
17 Jul 2026
CVE ids
CVE-2026-8476other records

Timeline · 1

  1. 17 Jul 2026CVE-2026-8476: IBM Langflow OSS 1.0.0 through 1.10.0 contain a critical remote code execution vulnerability in the disk-based caching mechanism.

Sources · 1

Advisories and databases

  1. 2026-07-17
    CVE-2026-8476: IBM Langflow OSS 1.0.0 through 1.10.0 contain a critical remote code execution vulnerability in the disk-based caching mechanism.
    NVD · nvd.nist.gov/vuln/detail/CVE-2026-8476

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Classification

lane
Patch now
AI role
Attack on AI
categories
Infrastructure vulnerabilitySupply chain
severity
2 · Disclosed vulnerability
fix status
Fix status unknown
targets
Framework / tooling
owasp llm top 10
LLM03:2025 Supply Chain
mitre atlas
AML.T0010 AI Supply Chain Compromise
tags
langflowinsecure-deserializationrce
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-2026-8476: IBM Langflow OSS remote code execution via unsafe pickle deserialization

https://gcdradar.vercel.app/incidents/cve-2026-8476-ibm-langflow-oss-remote-code-execution-via-uns · AIR-2026-1192 · closed 2026-07-17

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-07-17
- AI role: Attack on AI
- Products: Langflow
- CVE ids: CVE-2026-8476
- CVSS: 9.9

## Summary

IBM Langflow OSS versions 1.0.0 through 1.10.0 contain an RCE vulnerability in the AsyncDiskCache class due to the use of unsafe pickle deserialization. Attackers able to influence cached data can achieve complete system compromise.

## What to do

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

## Latest updates

- 2026-07-17: CVE-2026-8476: IBM Langflow OSS 1.0.0 through 1.10.0 contain a critical remote code execution vulnerability in the disk-based caching mechanism. (https://nvd.nist.gov/vuln/detail/CVE-2026-8476)

## Sources

- 2026-07-17 NVD: CVE-2026-8476: IBM Langflow OSS 1.0.0 through 1.10.0 contain a critical remote code execution vulnerability in the disk-based caching mechanism. https://nvd.nist.gov/vuln/detail/CVE-2026-8476

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

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