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CVE-2026-13442highCWE-520

Langflow is affected by NET Misconfiguration: Use of Impersonation due to multiple unauthenticated and insufficiently authorized API endpoints

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.1epss 0.2%
exploitation probability
0.2%top 93% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Affected products
IBM · Langflow OSS