CVE-2026-18899
Langflow is affected by multiple authentication bypass, path traversal, authorization, and server-side request forgery vulnerabilities
- Published
- Aug 28, 2026
- Updated
- Sep 1, 2026
- Assigning CNA
- ibm
- Evidence observed
- Sep 27, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NLow · next 30 days
- Percentile
- 38.6%
- Model date
- Oct 17, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote attacker to read arbitrary files due to path traversal.
Sources
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