CVE-2026-12763

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CVSS 3.1

4.2 medium

EPSS

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Published

Sep 14, 2026 (1d ago)

Modified

Sep 15, 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.

Weakness: CWE-306
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (—)

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