CVE-2026-18899

High

Description

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

SeverityHigh
CVSS7.5
Exploit probability—
ProductLangflow
PublishedAug 28, 2026
First seenAug 28, 2026

How to fix

Update
  • langflow langflow1.11.2 or later

Affected products

ProductAffected versionsFixed in
langflow langflow1.0.0 ≤ v < 1.11.21.11.2

Check your version

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

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