CVE-2026-9198

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

CVSS 3.1

9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

29% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-25)

CISA KEV

listed 2026-08-04, due 2026-08-07

CWE

CWE-94

Published

2026-07-17

Modified

2026-10-24

Record from

the NVD, synced 2026-10-25

Affected

• langflow:langflow

References

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

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