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IBMCVE-2026-13442

IBM Langflow OSS: information disclosure

High7.1CVE-2026-13442 · Published Jul 28, 2026 · updated Aug 4, 2026

IBM Langflow OSS 1.0.0 through 1.10.1 can allow an attacker to reuse another user's FAISS namespace to access owner-only vector content and influence later query results. This causes cross-user information disclosure and limited integrity impact through persistent poisoning of returned results.

IBM advisory

Affected versions

PackageAffectedFixed in
Langflow OSS
Product
>= 1.0.0, <= 1.10.1No fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-520

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