SEPTEMBER 8, 2026
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Case File

CVE-2026-9198

CRITICAL · CVSS 9.8 EPSS 17.35% CISA KEV · Actively Exploited

Source: NVD + CISA KEV + EPSS · Published 2026-07-17 · Last synced 2026-08-16

CyberRota Analysis

AI-Generated

IBM Langflow OSS versions 1.0.0 to 1.10.0 are critically vulnerable, allowing unauthenticated attackers to exploit the auto_login and validate/code APIs to gain remote code execution (RCE) on default deployments. This vulnerability can lead to complete system compromise, making it imperative for organizations using these versions to prioritize immediate remediation. Users of Langflow should assess their deployments and apply necessary updates or mitigations to prevent exploitation.

CISA KEV Details

Status: This CVE is listed in CISA's Known Exploited Vulnerabilities catalog.

Ransomware use: Unknown

Added to KEV: 2026-08-04

Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

CVE
CVE-2026-9198
Severity
CRITICAL
CVSS
9.8
EPSS
17.35%

Original NVD Description

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

Related CVEs

Other vulnerabilities affecting the same vendor(s)