How severe is CVE-2026-0769?

CVE-2026-0769 has a CVSS 3.0 base score of 9.8 (CRITICAL). EPSS estimates a 32.3% probability of exploitation in the next 30 days.

CVE-2026-0769: Langflow eval_custom_component

Description

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.

Severity

CVSS 3.0 · CNA9.8 CRITICAL

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

SSVC · CISA-ADP

Exploitationnone

Automatableyes

Technical impacttotal

Affected Products

Vendor	Product	Affected versions
Langflow	Langflow	1.3.2

References

1 Links

Other references

ZDI-26-035

Record Details

Published

2026-01-23

Last updated

2026-02-26

Assigner (CNA)

zdi

Credited to

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Related Tool Categories

Tool categories that test for or protect against this vulnerability class.

CWE-95 · Eval Injection

Application Security Tools Penetration Testing Tools

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.