CVE•Published 2026-08-28•Modified 2026-09-01•1 article on news•5 live references•NVD data
CVE-2026-18729Langflow · 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
38
Exploit Prediction Scoring System · top 62% of all CVEs
Weaknesses (CWE)
Description
IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote authenticated attacker to execute arbitrary code due to improper control of generation of code.
Timeline
Published 2026-08-28
Modified 2026-09-01
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 tag1,166 hosts
vuln:CVE-2026-18729Hosts 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-2026-18729Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-18729Censys host search filtered to this CVE id.
grep.app
CVE-2026-18729Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-18729GitHub code search for direct mentions.
Google dork
"CVE-2026-18729" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.