PyPI/langflow CVE-2026-55255: critical 9.9, exploited, EPSS 0.89%
Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.2, an Insecure Direct Object Reference (IDOR) vulnerability in /api/v1/responses endpoint allows an authenti
Action: Upgrade langflow to 1.9.2 or later.
pip install langflow==1.9.2Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.9.2 | - |
Fixed versions
| 1.9.2 |
Sources
- osv: PYSEC-2026-221
- kev: CVE-2026-55255
- https://github.com/langflow-ai/langflow/pull/12832
- https://github.com/langflow-ai/langflow/security/advisories/GHSA-qrpv-q767-xqq2
CVE-2026-55255 · published · modified · JSON