CVE-2026-51886 - Langflow Code Injection Vulnerability

CVE-2026-51886 - Langflow Code Injection Vulnerability

https://cvefeed.io/rssfeed/latest.atom / Fri, 10/02/2026 - 01:50
CVE ID :CVE-2026-51886
Published : Oct. 1, 2026, 10:17 p.m. | 56 minutes ago
Description :langflow-ai langflow v1.9.3 is affected by: Code Injection. The impact is: execute arbitrary code (remote). The component is: src/backend/base/langflow/api/v1/validate.py:validate-post_validate_code-a-real-authenticated-http-post-to-api-v1. The attack vector is: Attack surface: HTTP or browser-backed service path. A public-facing route accepts raw Python source and forwards it into a server-side compile/exec validation path without any visible entitlement guard. ¶¶ A weakness has been identified in langflow-ai langflow up to 1.9.3. langflow contains a code injection vulnerability in validate-post_validate_code-a-real-authenticated-http-post-to-api-v1 (src/backend/base/langflow/api/v1/validate.py:13). An authenticated attacker can execute arbitrary Python code on the server by submitting malicious code to the /api/v1/validate/code endpoint, which directly executes user-supplied code without sandboxing or security controls.
Severity: 0.0 | NA
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