CVE•Published 2026-04-30•Modified 2026-05-11•1 article on news•6 live references•NVD data

CVE-2026-6543Langflow · Langflow_desktop

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

Exploit Prediction Scoring System · top 89% of all CVEs

Weaknesses (CWE)

CWE-94Improper Control of Generation of Code ('Code Injection')

Description

IBM Langflow Desktop 1.0.0 through 1.8.4 Langflow allows an attacker to execute arbitrary commands with the privileges of the process running Langflow. This allows reading sensitive environment variables (API keys, DB credentials), modifying files, or launching further attacks on the internal network.

Timeline

Published 2026-04-30

Modified 2026-05-11

External references

NVD MITRE Exploit-DB GitHub PoC Sploitus VulnCheck

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 tag0 hosts

vuln:CVE-2026-6543

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Langflow Langflow Desktop"

All exposed Langflow Langflow Desktop instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Langflow Desktop"

HTTP body or banner mentions "Langflow Desktop" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-6543