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CVE-2026-8476

9.9 · CRITICAL
Published Jul 17, 2026 langflow CWE-502

Overview

CVE-2026-8476 is a critical-severity vulnerability affecting langflow langflow. It was published on July 17, 2026 and has a CVSS 3.1 base score of 9.9 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.9, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical Description

IBM Langflow OSS 1.0.0 through 1.10.0 contain a critical remote code execution vulnerability in the disk-based caching mechanism. The AsyncDiskCache class uses Python's unsafe pickle.loads() function to deserialize cached objects from disk without validation, integrity verification, or authentication, enabling arbitrary code execution when malicious pickle payloads are processed. Attackers who can influence cached data through file system access, malicious workflow inputs, custom components, or API manipulation can achieve complete system compromise with the privileges of the Langflow server process.

Remediation

Check the references section for vendor advisories and patches from langflow. Update langflow to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
langflow langflow >= 1.0.0, < 1.10.1 Affected

Frequently Asked Questions

What is CVE-2026-8476?

CVE-2026-8476 is a critical-severity vulnerability affecting langflow langflow. It was published on July 17, 2026 and has a CVSS 3.1 base score of 9.9 (CRITICAL).

How severe is CVE-2026-8476?

This vulnerability has a CVSS 3.1 base score of 9.9, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-8476?

Check the references section for vendor advisories and patches from langflow. Update langflow to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-8476?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-8476 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

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