CVE-2026-9198

Critical KEV · actively exploited PoC available

CVSS base score

9.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

IBM Langflow OSS 1.0.0 through 1.10.0 allows unauthenticated attackers to chain /api/v1/auto_login (mints SUPERUSER tokens to any network caller) with /api/v1/validate/code (executes user code via exec()) to achieve full RCE on default Langflow deployments

Vendor

langflow

Product

langflow

Affected

langflow langflow

Weakness

CWE-94 · Code injection

Published

Jul 17, 2026

Last modified

Aug 17, 2026

CVSS version

v3.1

Views

// References & exploits

https://www.ibm.com/support/pages/node/7278927Vendor Advisory https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-9198US Government Resource

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