Vulnerability Intelligence Report
Langflow eval_custom_component_code Eval Injection Remote Code Execution Vulnerability
CVE-2026-0769
Langflow eval_custom_component_code Eval 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 implementation of eval_custom_component_code function. 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 the current process. Was ZDI-CAN-26972.
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
Exploitability:3.9
Impact Score:5.9
EPSS Probability:33.83%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-95 ↗CWE-95: Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Langflow | Langflow | 1.3.2 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
33.827%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Zero Day Initiative · Bug Bounty Provider · Japan |
| Reserved | 2026-01-08T22:50:18 |
| Published | 2026-01-23T03:28:47 |
| Patch Date | 2026-01-09 |
| Last Updated | 2026-02-26T14:44:26 |
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