CVE-2026-9198: langflow from 1.0.0 (inclusive), before 1.10.1 (exclusive); +1 more affected products

CVE-2026-9198. CVSS 3.1 base score 9.8 (CRITICAL, Vendor/CNA). EPSS 0.28658 (percentile 0.98142), scored 24-Oct-2026.

Affected technology

langflow · from 1.0.0 (inclusive), before 1.10.1 (exclusive)
langflow

Langflow OSS · 1.0.0 through 1.10.0
IBM

Description’s affected range: through 1.10.0

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Unauthenticated attackers can 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/CNA’s CVSS 3.1 assessment (base score 9.8/10) rates confidentiality, integrity and availability impact as high.

Published 25-Oct-2026 01:29 UTC

CWE: CWE-94
CCR priority: 46.4 /100 (P3)
CVSS 3.1: 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · Vendor/CNA
EPSS: 0.28658 · percentile 0.98142 · 2026-10-24
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-25 01:28:19.133527+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-9198.html