CVEvulnerability

CVE-2026-9198

9.8 CRITICAL Known exploited Published 2026-07-17 Modified 2026-10-24 Official page ↗

CISA Known Exploited Vulnerability

IBM Langflow Code Injection Vulnerability — IBM Langflow

Langflow contains a code injection vulnerability that allows unauthenticated attackers to achieve full remote code execution on default Langflow deployments.

Added to KEV
2026-08-04
Remediation due
2026-08-07
Ransomware use
Unknown
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.
Notes
https://www.ibm.com/support/pages/node/7278927 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-9198
Status
Analyzed
Published
2026-07-17
Last modified
2026-10-24
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-94

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

Affected configurations

• langflow langflow (>= 1.0.0 < 1.10.1)

Related

Weakness · CWE (1)

  • CWE-94 Improper Control of Generation of Code weakness

References