CVE•Published 2026-07-17•Modified 2026-07-23•1 article on news•5 live references•NVD data
CVE-2026-13448Langflow · Langflow
Vulnerability data via NVD (ingested)
CVSS v3.1
8.1
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
37
Exploit Prediction Scoring System · top 63% of all CVEs
Weaknesses (CWE)
Description
IBM Langflow OSS 1.0.0 through 1.10.1 Lanflow OSS contains an unauthenticated remote code execution vulnerability in the public flow build endpoint ( /api/v1/build_public_tmp/{flow_id}/flow ). The vulnerability stems from an incomplete denylist in the validate_public_flow_no_code_execution() function that fails to block several code-execution agent components including OpenDsStarAgent, CodeActAgentSmolagents, and CSVAgent.
Timeline
Published 2026-07-17
Modified 2026-07-23
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 tag334 hosts
vuln:CVE-2026-13448Hosts 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-2026-13448Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-13448Censys host search filtered to this CVE id.
grep.app
CVE-2026-13448Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-13448GitHub code search for direct mentions.
Google dork
"CVE-2026-13448" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-13448 on GitHub.