CVE-2026-18899

IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote attacker to read arbitrary files due to path traversal.

  • Published Aug 28, 2026
  • CVSS 7.5 high
  • 0.5% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-18899 at the National Vulnerability Database