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CVE-2026-110616

8.1 · HIGH

NullHub through 2026.5.29 contains a missing authentication vulnerability that allows unauthenticated attackers to access the /api/* management API because the auth_token field defaults to null and…

Published Oct 14, 2026CWE-306EPSS 0.95%

Overview

CVE-2026-110616 is a high-severity vulnerability. It was published on October 14, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

NullHub through 2026.5.29 contains a missing authentication vulnerability that allows unauthenticated attackers to access the /api/* management API because the auth_token field defaults to null and is never assigned. Attackers sending requests without Authorization or Origin headers to non-loopback listeners can control agent instances, rewrite configurations including provider credentials, and manage cron jobs and MCP servers.

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/nullclaw/nullhubGitHubgithub.com/nullclaw/nullhub/blob/v2026.5.29/Dockerfile#L69-L71GitHubgithub.com/nullclaw/nullhub/blob/v2026.5.29/src/api/settings.zig#L29-L54GitHubgithub.com/nullclaw/nullhub/blob/v2026.5.29/src/server.zig#L546-L556Refhackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/rJrLma3izgRefwww.vulncheck.com/advisories/nullhub-through-2026.5.29-missing-authentication-for-api-management-apiRefhackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/rJrLma3izg

How CyberStrike helps

Frequently asked questions

What is CVE-2026-110616?

CVE-2026-110616 is a high-severity vulnerability. It was published on October 14, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).

How severe is CVE-2026-110616?

This vulnerability has a CVSS 3.1 base score of 8.1, 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-2026-110616?

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-2026-110616?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-110616 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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