CVE-2026-12940
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
IBM Langflow OSS 1.0.0 through 1.10.1 are vulnerable to unauthenticated remote code execution via environment variable injection in the MCP (Model Context Protocol) stdio launcher. The vulnerability exists in src/lfx/src/lfx/base/mcp/util.py where the DANGEROUS_ENV_VARS blocklist fails to include SHELLOPTS , BASHOPTS , and PS4 environment variables.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| IBM | Langflow OSS | 1.0.0 <= 1.10.1 | affected |
Weaknesses
- CWE-78: CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: total
References
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