CVE-2026-12763

Published: Sep 14, 2026Modified: Sep 16, 2026

4.2

Vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

Exploitability: 1.6 / Impact: 2.5

Source: psirt@us.ibm.com (Secondary)

Description

IBM Langflow OSS 1.0.0 through 1.11.5 could allow an authenticated attacker to access another user's MCP server context due to improper cache key isolation in the MCP Tools component.

Related CWEs

CWE-306

Missing Authentication for Critical Function

The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

References (1)

https://www.ibm.com/support/pages/node/7286662

Source: psirt@us.ibm.com

Timeline

No history available yet.