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IBMCVE-2026-18899

IBM Langflow OSS: path traversal

High7.5CVE-2026-18899 · Published Aug 28, 2026 · updated Sep 1, 2026

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

IBM advisory

Affected versions

PackageAffectedFixed in
Langflow OSS
Product
>= 1.0.0, <= 1.11.1No fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-22

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