CVE-2026-105740

CVE Enrichment

CVSS: 9.9 CRITICAL
EPSS: 0.59%
EPSS Percentile: 47.04%
CISA KEV: Not listed

Description

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.0, any authenticated Langflow user can achieve Remote Code Execution (RCE) on the server by adding an MCP server with the "Stdio" transport. The user-supplied command field is passed directly to bash -c "exec {command}" with zero validation, no allowlisting, and no sandboxing. The command executes immediately when the server list is fetched. Additionally, the env field allows arbitrary environment variable injection (e.g., LD_PRELOAD, PATH override). This vulnerability is fixed in 1.9.0.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: security-advisories@github.com
Published: 06-Oct-2026 04:16
Last Modified: 07-Oct-2026 02:17
EPSS Date: 2026-10-16
CWE: CWE-78

CVSS Vector


            CVSS:3.1                            AV:N /
                            AC:L /
                            PR:L /
                            UI:N /
                            S:C /
                            C:H /
                            I:H /
                            A:H

References

Last enrichment sync: 17-Oct-2026 08:16
Sources: NVD · FIRST EPSS · CISA KEV
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Reported Context (2)

Previdian says its honeypot sensors have recorded exploitation attempts targeting CVE-2026-105740, a critical Langflow vulnerability. Weekly Security Roundup: Japan Burger King App Breach, XWorm Panel Flaw and Chrome Exploit
The vulnerability in question is CVE-2026-105740 (CVSS score: 9.9), a case of authenticated remote code execution impacting versions prior to 1.9.0. Langflow CVE-2026-105740 Draws 1,423 Honeypot Exploit Attempts

CVE (1)

Malware (3)

People (3)

MITRE ATT&CK (2)

Vendors (4)

Products (10)

Industries (1)

Countries (16)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.