PT-2026-89598 · Ibm · Langflow Oss
CVE-2026-85025
·
Published
2026-09-10
·
Updated
2026-09-12
CVSS v3.1
9.8
Critical
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
🚨Critical - IBM Langflow OSS Unauth RCE via Public MCP Project Endpoints (CVE-2026-85025)
Langflow OSS improperly enforces public-flow restrictions on publicly shared MCP project endpoints, allowing unauthenticated access to/modify chat sessions. By abusing weak session isolation, attackers can pivot from public project access into arbitrary code execution on the server.
👉Affected: IBM Langflow OSS langflow 1.0.0-1.11.5 | Upgrade to: 1.11.6+.
Fix
RCE
Incorrect Authorization
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Weakness Enumeration
Related Identifiers
Affected Products
Langflow Oss