HIGHVulnerability
Verified
Global

CISA KEV: Langflow Langflow — Langflow Authorization Bypass Through User-Controlled Key Vulnerability

·Source: CISA KEV

Updated:

Executive Summary

Langflow contains an authorization bypass through user-controlled key vulnerability which allows an authenticated attacker to execute any flow belonging to another user by specifying the victim's flow ID in the request.

Analysis

Langflow contains an authorization bypass through user-controlled key vulnerability which allows an authenticated attacker to execute any flow belonging to another user by specifying the victim's flow ID in the request. Added to CISA Known Exploited Vulnerabilities catalog on 2026-07-07. Remediation due: 2026-07-10.

Indicators of Compromise (1)

CVE (1)
CVE-2026-55255
Source Attribution

Originally published by CISA KEV on Jul 7, 2026. Verified by: CISA.

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