CVE•Published 2026-04-08•Modified 2026-04-14•1 article on news•6 live references•NVD data
CVE-2026-3357Langflow · Langflow
Vulnerability data via NVD (ingested)
CVSS v3.1
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
—
Weaknesses (CWE)
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.
Timeline
Published 2026-04-08
Modified 2026-04-14
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag54 hosts
vuln:CVE-2026-3357Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Langflow Langflow"All exposed Langflow Langflow instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Langflow"HTTP body or banner mentions "Langflow" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-3357Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-3357Censys host search filtered to this CVE id.
grep.app
CVE-2026-3357Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-3357GitHub code search for direct mentions.
Google dork
"CVE-2026-3357" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.