CVE-2026-13442: Langflow

High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days.

IBM Langflow OSS 1.0.0 through 1.10.1 can allow an attacker to reuse another user's FAISS namespace to access owner-only vector content and influence later query results. This causes cross-user information disclosure and limited integrity impact through persistent poisoning of returned results.

Affected products

• Langflow Langflow: from 1.0.0, before 1.10.2 (fixed in 1.10.2)

Published 2026-07-28. Last modified 2026-08-04.