01 Record
CVE-2026-105740
Langflow: Authenticated RCE via MCP Stdio transport allows any user to execute arbitrary OS commands on the server
CriticalPUBLISHEDCNA: GitHub_M
CNA base score9.9 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
02 Description
Langflow: Authenticated RCE via MCP Stdio transport allows any user to execute arbitrary OS commands on the server
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- Not scored by EPSS
- EPSS percentile
- Not scored by EPSS
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Not recorded
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-10-05 20:46Z1 HR AGO
- Last updated
- 2026-10-05 20:46Z1 HR AGO
- Reserved
- 2026-10-05
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.9)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Weaknesses
- CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')Base
- Data version
- 5.2
- Document digest
- 4815e2ddafcfa21eec7bac94e2c26dffab6d4c6f974327b1de04879dcd8166ff
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comhttps://github.com/langflow-ai/langflow/security/advisories/GHSA-7w94-79vh-5mr2
- github.comhttps://github.com/langflow-ai/langflow/security/advisories/GHSA-w794-rj3p-xv45
- github.comhttps://github.com/langflow-ai/langflow/pull/12290
- github.comhttps://github.com/langflow-ai/langflow/commit/efbc4a16e639409d938a4883463d27ef0bc637a0