CVE-2026-55255: Langflow: IDOR Vulnerability in `/api/v1/responses` Endpoint Allows Authenticated Attackers to Access Another User's...
CRITICAL
CVSS 9.9
Exploit Available
1 PoC
Published: June 19, 2026 | Last Modified: June 19, 2026
Description
Langflow: IDOR Vulnerability in `/api/v1/responses` Endpoint Allows Authenticated Attackers to Access Another User's Flow
Ghostwire Analysis — What This Means Practically
- Critical CVSS score indicates maximum severity — remote code execution, authentication bypass, or complete system compromise is likely possible.
- 1 proof-of-concept exploit available on GitHub. Public exploit code lowers the barrier for both researchers and attackers.
This analysis is generated by Ghostwire from NVD, CISA KEV, EPSS, and open-source intelligence data. Verify findings through primary sources before acting.
Proof-of-Concept Exploits (1)
Security Coverage (1 articles)
References