What is the CVSS score of CVE-2026-0768?

CVE-2026-0768 has a CVSS 3.0 base score of 9.8 (Critical). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 2.6%.

Is there a public PoC exploit available for CVE-2026-0768?

Yes, a public proof-of-concept exploit is available for CVE-2026-0768. Prioritise patching immediately. EPSS: 2.6%.

How to fix or mitigate CVE-2026-0768?

Within 24 hours: Identify all Langflow installations in your environment and isolate affected systems from production networks if operationally feasible. Within 7 days: Implement network-level controls (WAF rules, network segmentation) to restrict access to Langflow instances and monitor for exploitation attempts; engage with Langflow vendors for patch availability and timelines. Within 30 days: Apply vendor patch immediately upon release, conduct forensic analysis of affected systems for breach indicators, reset credentials for accounts with access to Langflow, and review system logs for unauthorized access or code execution.

Langflow CVE-2026-0768

CRITICAL

Code Injection (CWE-94)

2026-01-23 zdi-disclosures@trendmicro.com

RCE Python Code Injection AI / ML Langflow

9.8

CVSS 3.0 · NVD

View

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

Access

Send malicious code parameter to validate endpoint
Exploit

Bypass insufficient input validation
Impact

Execute arbitrary Python code as root

Vulnerability Assessment

Weakness	CWE CWE-94 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V1 - Encoding and Sanitization Code injection prevention, sandbox exec MITRE ATT&CK 2 techniques across 2 tactics: Execution, Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Exploitation Conditions	No special conditions — remote unauthenticated exploitation against default Langflow installations with exposed validate endpoint accepting code parameter.
Impact	CVSS 9.8, EPSS 2.6%. Langflow is a popular LangChain visual builder. Code injection in the workflow engine compromises all data processed by the AI pipeline.
Exploit ScenarioDerived	An attacker creates a Langflow workflow with a code component containing malicious Python code. When the workflow executes, the injected code runs with the server's privileges, accessing all connected data sources and API keys.

Emergency Immediate action required. Why: CRITICAL + active threat signals, no patch available.

No patch listed yet 2.6% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

Langflow has a code injection vulnerability in the code component (EPSS 2.6%) enabling remote code execution through the visual AI workflow builder.

Earlier versions of this analysis (1)

v1 Mar 12, 2026 - 21:54 CVSS 9.8

Code injection in Langflow's code component enables RCE through workflow definitions.

RemediationAI

Update Langflow. Implement code sandboxing for custom components. Restrict workflow creation to trusted users.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Langflow's code component has a CWE-94 code injection vulnerability that allows attackers to inject and execute arbitrary Python code through the visual workflow builder.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionCVE.org

Langflow code Code Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Langflow. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the handling of the code parameter provided to the validate endpoint. The issue results from the lack of proper validation of a user-supplied string before using it to execute Python code. An attacker can leverage this vulnerability to execute code in the context of root. . Was ZDI-CAN-27322.

Executive ViewAI

Why It Matters

A critical remote code execution vulnerability in Langflow (CVE-2026-0768) allows unauthenticated attackers to execute arbitrary code on affected systems with a 9.8 CVSS severity rating. Any organization running Langflow is at immediate risk of complete system compromise, data theft, and operational disruption until remediation is completed.

Business Impact: Severe

Compensating Controls

Implement Web Application Firewall (WAF) rules to block code injection payloads and restrict HTTP methods to Langflow endpoints; segment Langflow instances on isolated networks with restricted inbound/outbound access; disable or restrict code execution features if available; enforce strict authentication and rate limiting; monitor all traffic to Langflow for suspicious patterns; consider disabling Langflow entirely until patch availability is confirmed if business continuity permits; monitor vendor advisories and security channels daily for patch release announcements.

Threat Intelligence Overview

EPSS Score

2.6%

Top 15% exploitable

Exploit

POC

Public exploit code exists

Data Quality

4 sources

Confidence: Medium

NVD

CVE.org

EPSS POC (2)

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity CRITICAL

CISA KEV No

Public POC Yes

EPSS 2.6%

Patch available No

Active threat Yes

Deciding rule

CRITICAL + active threat signals, no patch available

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Out-of-Cycle

Exploitation· derived

Active

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact

Very High

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +3

CVSS: +49

PoC: +20

Weaponized: +15

Threat intel: 0

Gov advisory: 0

Attack Technique

Code Injection CRITICAL

Code injection occurs when an application accepts user input and passes it directly into a language interpreter or evaluator without proper sanitization.

Remote Code Execution CRITICAL

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.