Vulnerability · Published Apr 8, 2026 · Assigned by ibm
CVE-2026-3357IBM Langflow Desktop FAISS Vector Store Remote Code Execution via malicious Pickle file
High 8.8
In plain English
A high-severity unsafe deserialization in Langflow Desktop from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.5%top 58.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
IBM Langflow Desktop 1.6.0 through 1.8.2 Langflow could allow an authenticated user to execute arbitrary code on the system, caused by an insecure default setting which permits the deserialization of untrusted data in the FAISS component.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| IBM | Langflow Desktop | 1.6.0 – through 1.8.2 |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://www.ibm.com/support/pages/node/7268428 vendor-advisory, patch