Vulnerability Report

CVE-2026-0769

RCE

Title: Eval Injection to RCE in Langflow eval_custom_component_code

RCE

Proof Of Concept

PoC Available for CVE-2026-0769

CWE Category CWE-95

Published Date Jan 23, 2026

Modified Date Feb 18, 2026

Exploit Status Available

Score 9.8 CVSS v3.0

Exploit Probability (EPSS)

32.34%

Vulnerability Summary

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.

Impacted Vendors

langflow 1

Reference Links

https://www.zerodayinitiative.com/advisories/ZDI-26-035/

CVSS v3.0

Source Entity [email protected]

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-0769 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/rmhowe425/POC-CVE-2026-0769

View Code

February 18, 2026 MODIFIED

Vulnerability data updated via NVD.

February 18, 2026 MODIFIED

Vulnerability data updated via NVD.

January 26, 2026 MODIFIED

Vulnerability data updated via NVD.

January 23, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.