CVE-2026-10140

Critical

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.

SeverityCritical
CVSS9.6
Exploit probability—
ProductLangflow
PublishedJun 30, 2026
First seenJun 30, 2026

How to fix

Affected products

ProductAffected versionsFixed in
langflow langflow1.0.0 ≤ v ≤ 1.10.0—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.