CVE-2025-34291

Langflow Origin Validation Error Vulnerability

9.4
CVSS 4.0
92.8 %
EPSS (current)
2026-05-21
KEV addition
No
Ransomware

Timeline

Publication, first public exploit and KEV addition on a day axis.

Key facts

Vendor / product: Langflow / Langflow

Published: 2025-12-05 · Due (CISA): 2026-06-04

CWE: CWE-346 · EU list: no

Exploit references (metadata only)

SourceReferenceTitleDate
nucleihttp/cves/2025/CVE-2025-34291.yamlLangflow AI <= 1.6.9 - CORS Misconfiguration–

References only — no downloads or instructions.

Sources