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CVE-2026-102281

7.5 · HIGH

Nest is a framework for building scalable Node.js server-side applications.

Published Sep 28, 2026CWE-248EPSS 0.59%

Overview

CVE-2026-102281 is a high-severity vulnerability. It was published on September 28, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Nest is a framework for building scalable Node.js server-side applications. Prior to 11.2.4 and 12.0.2, a single message with a deeply nested object in its pattern can terminate a NestJS microservice using the TCP or RabbitMQ transport. ServerTCP#handleMessage and ServerRMQ#handleMessage pass a client-controlled non-string pattern to JSON.stringify to derive the handler lookup key; sufficiently deep nesting throws RangeError: Maximum call stack size exceeded, and the unhandled promise rejection terminates Node.js under its default behavior. An attacker who can reach the TCP port or publish to the consumed RabbitMQ queue or exchange can crash the service on demand; other transports are not affected because their patterns arrive as strings. This issue is fixed in versions 11.2.4 and 12.0.2.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

GitHubgithub.com/nestjs/nest/commit/aa97b5144d8dff1ce700aac521eb86449a679d6fGitHubgithub.com/nestjs/nest/commit/e9dcd4c7ac64361fbfe79461da85f5b3fc3e02daGitHubgithub.com/nestjs/nest/pull/17737GitHubgithub.com/nestjs/nest/releases/tag/v11.2.4GitHubgithub.com/nestjs/nest/releases/tag/v12.0.2GitHubgithub.com/nestjs/nest/security/advisories/GHSA-m8vh-jmq9-5rjgGitHubgithub.com/nestjs/nest/security/advisories/GHSA-m8vh-jmq9-5rjg

How CyberStrike helps

Frequently asked questions

What is CVE-2026-102281?

CVE-2026-102281 is a high-severity vulnerability. It was published on September 28, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-102281?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-102281?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2026-102281?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-102281 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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