IBM Langflow OSS 1.0.01.10.0 Voice Mode SharedState Leak: CrossTenant Credential
CVE-2026-10140 Published on June 30, 2026
Cross-Tenant API Key Reuse and Billing Fraud in Langflow Voice Mode Subsystem
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.
Vulnerability Analysis
CVE-2026-10140 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is an Insecure Direct Object Reference / IDOR Vulnerability?
The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
CVE-2026-10140 has been classified to as an Insecure Direct Object Reference / IDOR vulnerability or weakness.
Products Associated with CVE-2026-10140
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Affected Versions
IBM Langflow OSS:- Version 1.0.0, <= 1.10.0 is affected.