CVE-2026-12763

MediumCVSS 4.2/10Last modified Sep 16, 2026

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.

Metrics

CVSS 3.1 4.2/10CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

Weakness enumeration

CWE-306

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published: Sep 14, 2026
Last modified: Sep 16, 2026
NVD status: Awaiting Analysis

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