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archive/Patch now/AIR-2026-1022
closedclosed 8 Apr 2026Patch now2 Disclosed vulnerabilityAI

IBM Langflow Desktop Insecure Deserialization Vulnerability

IBM Langflow Desktop

An insecure default setting in IBM Langflow Desktop permits the deserialization of untrusted data in the FAISS component. This flaw could allow an authenticated user to execute arbitrary code on the system.

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
8.8
EPSS
<0.01 · top 59% · 2026-11-13
EPSS scores by FIRST
fix status
Fix status unknown
first report
8 Apr 2026
last update
8 Apr 2026
CVE ids
CVE-2026-3357other records

Timeline · 1

  1. 8 Apr 2026CVE-2026-3357: IBM Langflow Desktop 1.6.0 through 1.8.2 Langflow could allow an authenticated user to execute arbitrary code on the system,…

Sources · 1

Advisories and databases

  1. 2026-04-08
    CVE-2026-3357: IBM Langflow Desktop 1.6.0 through 1.8.2 Langflow could allow an authenticated user to execute arbitrary code on the system,…
    NVD · nvd.nist.gov/vuln/detail/CVE-2026-3357

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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
deserializationlangflow
dates
happened 8 Apr 2026 · first reported 8 Apr 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

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This record as a short Markdown brief, for a ticket, a chat or a coding agent.

the brief as text
# IBM Langflow Desktop Insecure Deserialization Vulnerability

https://gcdradar.vercel.app/incidents/ibm-langflow-desktop-insecure-deserialization-vulnerability · AIR-2026-1022 · closed 2026-04-08

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-04-08
- AI role: Attack on AI
- Products: IBM Langflow Desktop
- CVE ids: CVE-2026-3357
- CVSS: 8.8

## Summary

An insecure default setting in IBM Langflow Desktop permits the deserialization of untrusted data in the FAISS component. This flaw could allow an authenticated user to execute arbitrary code on the system.

## What to do

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

## Latest updates

- 2026-04-08: CVE-2026-3357: IBM Langflow Desktop 1.6.0 through 1.8.2 Langflow could allow an authenticated user to execute arbitrary code on the system,… (https://nvd.nist.gov/vuln/detail/CVE-2026-3357)

## Sources

- 2026-04-08 NVD: CVE-2026-3357: IBM Langflow Desktop 1.6.0 through 1.8.2 Langflow could allow an authenticated user to execute arbitrary code on the system,… https://nvd.nist.gov/vuln/detail/CVE-2026-3357

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

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