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 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.

Score

CVSS 3.1 9.6 Critical

Status

Analyzed - psirt@us.ibm.com

Published

2026-06-30

Last modified

2026-10-25

Weaknesses

CWE-639

Affected products

• Langflow Oss (Ibm)
• Langflow (Langflow)

References

• https://www.ibm.com/support/pages/node/7278209