PT-2026-53946 · Ibm · Langflow Oss
CVE-2026-7663
·
Published
2026-06-30
·
Updated
2026-07-02
CVSS v3.1
9.8
Critical
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
IBM Langflow OSS versions 1.0.0 through 1.9.6
Description
Improper authorization enforcement in the Streamable MCP transport endpoint allows unauthenticated attackers to access protected MCP project resources and execute MCP operations.
Recommendations
Update IBM Langflow OSS to a version later than 1.9.6.
Fix
Incorrect Authorization
Improper Authorization
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Related Identifiers
Affected Products
Langflow Oss