/Vulnerability Library

Langflow < 1.3.0 - Remote Code Execution via validate_code() exec()

CVE-2026-0770
Verified

Description

Langflow contains a remote code execution caused by inclusion of functionality from untrusted control sphere in the exec_globals parameter at the validate endpoint, letting remote attackers execute arbitrary code as root, exploit requires no authentication.

Severity

Critical

CVSS Score

9.8

Exploit Probability

63%

Published Date

February 18, 2026

Template Author

affix

CVE-2026-0770.yaml
9.8Score

CVSS Metrics

CVSS Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVE ID:
cve-2026-0770
CWE ID:
cwe-94

References

https://github.com/affix/CVE-2026-0770-PoChttps://github.com/langflow-ai/langflowhttps://www.horizon3.ai/attack-research/disclosures/unsafe-at-any-speed-abusing-python-exec-for-unauth-rce-in-langflow-ai

Remediation Steps

Update to the latest version of Langflow.