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CVE-2026-49276

Published Jul 9, 2026 CWE-83

Overview

CVE-2026-49276 is a known-severity vulnerability. It was published on July 9, 2026.

Technical Description

Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites using the writer field in any blueprint allowed a scripting link to be included as the target of a link or email link in writer mark components, making the target clickable by the user who entered it and enabling self cross-site scripting in the Panel. This issue is fixed in versions 4.9.4 and 5.4.4.

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

GitHub github.com/getkirby/kirby/releases/tag/4.9.4 GitHub github.com/getkirby/kirby/releases/tag/5.4.4 GitHub github.com/getkirby/kirby/security/advisories/GHSA-rhj6-r49h-5932

Frequently Asked Questions

What is CVE-2026-49276?

CVE-2026-49276 is a known-severity vulnerability. It was published on July 9, 2026.

How severe is CVE-2026-49276?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2026-49276?

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-2026-49276?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-49276 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.

How CyberStrike Helps

Autonomous Discovery

AI agents map your attack surface to find vulnerabilities like this one.
Continuous Pentesting

Automated penetration testing that runs continuously, not just quarterly.
Code Review

AI-driven PR review catches vulnerable dependencies before they ship.
HackBrowser

Browser-based exploitation validates findings with real proof-of-concept.
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