CVE-2026-104316
Published:October 29, 2026
Updated:November 02, 2026
IBM Langflow OSS 1.0.0 through 1.12.3 could allow an authenticated attacker to cancel any victim's running background workflow job by sending a single HTTP request, resulting in loss of in-progress compute work with no flow-level permission check.
Affected Packages
https://github.com/langflow-ai/langflow.git (GITHUB):
Affected version(s) >=v1.13.0.dev0 <v1.13.0Fix Suggestion:
Update to version v1.13.0https://github.com/langflow-ai/langflow.git (GITHUB):
Affected version(s) >=v1.2.0.dev0 <v1.12.4 || >=1.2.0 <v1.12.4Fix Suggestion:
Update to version v1.12.4langflow-base (PYTHON):
Affected version(s) >=1.13.0.dev0 <1.13.0Fix Suggestion:
Update to version 1.13.0langflow-base (PYTHON):
Affected version(s) >=0.2.0 <1.12.4 || >=1.11.0.dev0 <1.12.4Fix Suggestion:
Update to version 1.12.4Related Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Improper Authorization
EPSS
Base Score:
0.33