CVE•Published 2026-09-04•Modified 2026-09-10•1 article on news•4 live references•NVD data
CVE-2026-19303Langflow · Langflow
Vulnerability data via NVD (ingested)
CVSS v3.1
8.1
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
EPSS percentile
31
Exploit Prediction Scoring System · top 69% of all CVEs
Weaknesses (CWE)
Description
IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to delete arbitrary local files or directories due to improper limitation of a pathname to a restricted directory.
Timeline
Published 2026-09-04
Modified 2026-09-10
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 tag593 hosts
vuln:CVE-2026-19303Hosts 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-2026-19303Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-19303Censys host search filtered to this CVE id.
grep.app
CVE-2026-19303Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-19303GitHub code search for direct mentions.
Google dork
"CVE-2026-19303" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-19303 on GitHub.