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CVE-2026-73424

6.5 · MEDIUM

Astro is a web framework for content-driven websites.

Published Aug 17, 2026CWE-441EPSS 0.38%

Overview

CVE-2026-73424 is a medium-severity vulnerability. It was published on August 17, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Astro is a web framework for content-driven websites. From 10.0.3 until 11.0.3, the Astro Vercel adapter in packages/integrations/vercel/src/serverless/entrypoint.ts accepts x_astro_path for the public /_isr function based only on the x-vercel-isr header, allowing unauthenticated GET requests to render routes protected only by Vercel edge path rules or split edge middleware. This issue is fixed in 11.0.3.

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/withastro/astro/commit/3a43cf0f3690a8e33cb30109bc5165611cf38fcdGitHubgithub.com/withastro/astro/pull/17370GitHubgithub.com/withastro/astro/releases/tag/@astrojs/[email protected]GitHubgithub.com/withastro/astro/security/advisories/GHSA-x27w-589x-frm2GitHubgithub.com/withastro/astro/security/advisories/GHSA-x27w-589x-frm2

How CyberStrike helps

Frequently asked questions

What is CVE-2026-73424?

CVE-2026-73424 is a medium-severity vulnerability. It was published on August 17, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2026-73424?

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-73424?

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-2026-73424?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-73424 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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