CVE-2026-9198
CRITICALCVSS 3.1 · 9.8 · psirt@us.ibm.com
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
CISA KEV: known exploited
Added: 2026-08-04 · Due: 2026-08-07
Known ransomware use: Unknown
EPSS: 28.66% · Percentile: 98.1%
As of 2026-10-27
EPSS estimates exploitation probability over the next 30 days. KEV due dates apply to US federal civilian agencies. Confirm your affected versions in vendor advisories.
CWE: CWE-94 · Published: 2026-07-17T18:17:17.340 · Modified: 2026-10-24T20:10:00.137
Sources: NIST NVD, CISA KEV, FIRST EPSS. NVD and EPSS cached up to 6 hours; KEV up to 12 hours.