SB2026010558 - Missing Authentication for Critical Function in Langflow
Published: January 5, 2026
Security Bulletin ID
SB2026010558
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Missing Authentication for Critical Function (CVE-ID: CVE-2026-21445)
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to missing authentication for critical function in critical API endpoints. A remote attacker can gain access to sensitive user conversation data and perform destructive operations.
Remediation
Install update from vendor's website.