VULNERABILITY INTELLIGENCE
CVE-2026-12763
CVSS score4.2 MEDIUM
EPSS probability0.19%
CISA KEVNot currently listed
Published2026-09-14
Last modified2026-09-16
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
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 classification
- psirt@us.ibm.com: CWE-306