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CVE-2026-56678

6.4 · MEDIUM

9Router is an AI router & token saver.

Published Jul 15, 2026CWE-20EPSS 0.29%

Overview

CVE-2026-56678 is a medium-severity vulnerability. It was published on July 15, 2026 and has a CVSS 3.1 base score of 6.4 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

9Router is an AI router & token saver. Prior to 0.5.6, the Kiro API-key validation endpoint POST /api/oauth/kiro/api-key builds an upstream URL using a user-controlled region value, allowing an authenticated attacker to supply a crafted region such as kiro-canary.local:8443# and cause 9Router to send the Kiro validation request to an attacker-controlled host while forwarding the submitted Kiro API key as an Authorization header. This issue is fixed in version 0.5.6.

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/decolua/9router/commit/126aa244c5b51b74ab8c7594e3418fcf4437bf6fGitHubgithub.com/decolua/9router/releases/tag/v0.5.6GitHubgithub.com/decolua/9router/security/advisories/GHSA-6mwv-4mrm-5p3mGitHubgithub.com/decolua/9router/security/advisories/GHSA-6mwv-4mrm-5p3m

How CyberStrike helps

Frequently asked questions

What is CVE-2026-56678?

CVE-2026-56678 is a medium-severity vulnerability. It was published on July 15, 2026 and has a CVSS 3.1 base score of 6.4 (MEDIUM).

How severe is CVE-2026-56678?

This vulnerability has a CVSS 3.1 base score of 6.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-56678?

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-2026-56678?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-56678 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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