9.6
CRITICAL CVSS 3.1
CVE-2026-10140
Cross-Tenant API Key Reuse and Billing Fraud in Langflow Voice Mode Subsystem
Description

IBM Langflow OSS 1.0.0 through 1.10.0 voice mode contains improper shared-state handling that allows reuse of API clients across tenant boundaries. An authenticated attacker can manipulate cache state to cause requests from other users to be processed using incorrect upstream API credentials, leading to cross-tenant billing and accountability misattribution.

INFO

Published Date :

June 30, 2026, 7:55 p.m.

Last Modified :

June 30, 2026, 7:55 p.m.

Remotely Exploit :

Yes !

Source :

ibm
Affected Products

The following products are affected by CVE-2026-10140 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Ibm langflow_oss
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 CRITICAL 9a959283-ebb5-44b6-b705-dcc2bbced522
Solution
Update IBM Langflow OSS to a version that addresses improper shared-state handling and API client reuse vulnerabilities.
  • Upgrade IBM Langflow OSS to a patched version.
  • Review and secure API client configurations.
  • Implement strict tenant isolation for shared resources.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-10140 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.