— Unscored

IBM Langflow Code Injection Vulnerability

CVE-2026-9198 Exploited

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

Being exploited in the wild

Catalogued 4 August 2026 · US federal remediation deadline 7 August 2026

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…

Exploit code is also public: Metasploit · Exploit-DB · Public PoC · Nuclei template

Metasploitexploit/multi/http/langflow_unauth_rce_cve_2026_9198
Exploit-DBLangflow 1.10.0 - RCE
NucleiIBM Langflow - Remote Code Execution
Public PoC0xgh057r3c0n/CVE-2026-91983 stars
Public PoC0xdak/CVE-2026-9198_exploit1 stars
Public PoCrmhowe425/PoC-CVE-2026-91981 stars
Public PoCywh-jfellus/CVE-2026-9198
Public PoCProcjevt/CVE-2026-9198
Public PoCCuteeCat/CVE-2026-9198
Public PoCchessalekin/cve-2026-9198_exploit
Public PoCjoaovicdev/EXPLOIT-CVE-2026-9198

Part of the AI stack

This affects Langflow, in Agent frameworks.

Assessment

CVSS: Not yet scored
Severity: Unscored
Known exploited: Yes — listed in the CISA KEV catalog
Exploit availability: CISA KEV, Metasploit, Exploit-DB, Public PoC, Nuclei template
Published: 4 August 2026
Last updated: 4 August 2026
Affected: IBM · Langflow
Weakness: CWE-94

At the source

CISA KEV

References

https://www.cisa.gov/known-exploited-vulnerabilities-catalog

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Query this programmatically

Agents can read this through the MCP endpoint, or over HTTP:

curl https://cve.zerocrew.in/api/cve/CVE-2026-9198