SB2026050105 - Authorization bypass through user-controlled key in IBM Langflow Desktop
Published: May 1, 2026
Security Bulletin ID
SB2026050105
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Authorization bypass through user-controlled key (CVE-ID: CVE-2026-4503)
CWE-ID: CWE-639 - Authorization Bypass Through User-Controlled Key
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to an indirect object reference through a user-controlled key. A remote attacker can gain unauthorized access to sensitive information on the system.
Remediation
Install update from vendor's website.