CVE-2026-13442
Langflow is affected by NET Misconfiguration: Use of Impersonation due to multiple unauthenticated and insufficiently authorized API endpoints
CVSS Score
7.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-520 |
| Vendor | ibm |
| Product | langflow oss |
| Published | Jul 28, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None
Affected Versions
IBM / Langflow OSS
1.0.0 ≤ 1.10.1