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archive/Patch now/AIR-2026-1139
closedclosed 30 Jun 2026Patch now2 Disclosed vulnerabilityAI

CVE-2026-10140: IBM Langflow OSS voice mode shared-state flaw leads to cross-tenant API client reuse

IBM Langflow OSS

Improper shared-state handling in IBM Langflow OSS versions 1.0.0 through 1.10.0 voice mode permits API client reuse across tenant boundaries. This flaw can cause requests to be processed using incorrect upstream credentials.

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
9.6
EPSS
<0.01 · top 71% · 2026-11-13
EPSS scores by FIRST
fix status
Fix status unknown
first report
30 Jun 2026
last update
30 Jun 2026
CVE ids
CVE-2026-10140other records

Timeline · 1

  1. 30 Jun 2026CVE-2026-10140: IBM Langflow OSS 1.0.0 through 1.10.0 voice mode contains improper shared-state handling that allows reuse of API clients across…

Sources · 1

Advisories and databases

  1. 2026-06-30
    CVE-2026-10140: IBM Langflow OSS 1.0.0 through 1.10.0 voice mode contains improper shared-state handling that allows reuse of API clients across…
    NVD · nvd.nist.gov/vuln/detail/CVE-2026-10140

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
langflowtenant-isolation
dates
happened 30 Jun 2026 · first reported 30 Jun 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-2026-10140: IBM Langflow OSS voice mode shared-state flaw leads to cross-tenant API client reuse

https://gcdradar.vercel.app/incidents/cve-2026-10140-ibm-langflow-oss-voice-mode-shared-state-flaw · AIR-2026-1139 · closed 2026-06-30

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-06-30
- AI role: Attack on AI
- Products: IBM Langflow OSS
- CVE ids: CVE-2026-10140
- CVSS: 9.6

## Summary

Improper shared-state handling in IBM Langflow OSS versions 1.0.0 through 1.10.0 voice mode permits API client reuse across tenant boundaries. This flaw can cause requests to be processed using incorrect upstream credentials.

## What to do

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

## Latest updates

- 2026-06-30: CVE-2026-10140: IBM Langflow OSS 1.0.0 through 1.10.0 voice mode contains improper shared-state handling that allows reuse of API clients across… (https://nvd.nist.gov/vuln/detail/CVE-2026-10140)

## Sources

- 2026-06-30 NVD: CVE-2026-10140: IBM Langflow OSS 1.0.0 through 1.10.0 voice mode contains improper shared-state handling that allows reuse of API clients across… https://nvd.nist.gov/vuln/detail/CVE-2026-10140

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

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