CVE-2026-90991

MEDIUM CVSS 3.1: 6.5
Updated Oct 29, 2026
IBM
Parameter Value
CVSS 6.5 (MEDIUM)
Type CWE-770 (Allocation Without Limits)
Vendor IBM
Public PoC No

IBM Langflow OSS 1.0.0 through 1.12.4 could allow a remote authenticated attacker to cause a denial of service due to allocation of resources without limits or throttling.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v3.1