CVE-2025-34291 Langflow Langflow
Langflow versions up to and including 1.6.9 contain a chained vulnerability that enables account takeover and remote code execution. An overly permissive CORS configuration (allow_origins='*' with allow_credentials=True) combined with a refresh token cookie…
- CVSS
- 9.4 Critical
- EPSS
- 93%
- Percentile
- 100
- Published
- 2025-12-05
- Force
- 10 of 12
- Public PoC
- 2
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
On CISA’s exploited list
Langflow Origin Validation Error Vulnerability
- Added
- 2026-05-21
- Federal patch deadline
- 2026-06-04
- Ransomware use
- not known