CVEvulnerability

CVE-2026-7663

9.8 CRITICAL Published 2026-06-30 Modified 2026-10-25 Official page ↗
Status
Analyzed
Published
2026-06-30
Last modified
2026-10-25
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-285, CWE-863

Description

IBM Langflow OSS 1.0.0 through 1.9.6 could allow unauthenticated attackers to access protected MCP project resources and execute MCP operations due to improper authorization enforcement in the Streamable MCP transport endpoint.

Affected configurations

• langflow langflow (>= 1.0.0 < 1.10.0)

Related

Weakness · CWE (2)

  • CWE-285 Improper Authorization weakness
  • CWE-863 Incorrect Authorization weakness

References