What’s Vulnerable › Vulnerabilities

CVE-2025-64757: Astro Development Server is Vulnerable to Arbitrary Local File Read

• Severity: low (CVSS 3.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-11-19 · updated 2026-10-18
• Weakness: CWE-22

Description

Astro is a web framework. Prior to version 5.14.3, a vulnerability has been identified in the Astro framework's development server that allows arbitrary local file read access through the image optimization endpoint. The vulnerability affects Astro development environments and allows remote attackers to read any image file accessible to the Node.js process on the host system. This issue has been patched in version 5.14.3.

Affected products

• withastro astro: before 5.14.3 — fixed in 5.14.3

How to fix

Upgrade to a fixed version: withastro astro 5.14.3. Check the vendor advisory for mitigations.

References

• https://github.com/withastro/astro/commit/b8ca69b97149becefaf89bf21853de9c905cdbb7
• https://github.com/withastro/astro/security/advisories/GHSA-x3h8-62x9-952g

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