CVE-2026-12942: Langflow

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

IBM Langflow OSS 1.0.0 through 1.10.1 could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot " sequences ( /.. /) to view arbitrary files on the system.

Affected products

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

Published 2026-07-30. Last modified 2026-08-04.