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TI-2025-40095 Aliases CVE-2025-64757GHSA-x3h8-62x9-952g

Astro Development Server is Vulnerable to Arbitrary Local File Read

Priority MEDIUM 50CWE-22Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-22 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0043 37th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed astro (withastro): 5.14.3astro (npm): 5.14.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
withastroastrobefore 5.14.35.14.3Patch availableCNA
—astro (npm)before 5.14.35.14.3Patch availableGHSA-x3h8-62x9-952g
  • astro Vendorwithastro Affected before 5.14.3 Fixed in 5.14.3 Patch available CNA
  • astro (npm) Vendor— Affected before 5.14.3 Fixed in 5.14.3 Patch available GHSA-x3h8-62x9-952g

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:astro:astro:*:*:*:*:*:node.js:*:*before 5.14.3Vulnerablewithastro
  • cpe:2.3:a:astro:astro:*:*:*:*:*:node.js:*:* Versions before 5.14.3 Vulnerable ·withastro

Remediation

  • Fix · CNA astro (withastro) Fixed in 5.14.3
  • Fix · GHSA-x3h8-62x9-952g astro (npm) Fixed in 5.14.3 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-64757
  2. 2026-10-03 Alias added: GHSA-x3h8-62x9-952g

References

Exploit 1

Patch 1

Advisory 1

Other 1

  • TI-2024-37142 Server source code is exposed to the public if sourcemaps are enabled CVSS 4.0HIGH 7.8
  • TI-2025-34958 Unauthorized third-party images in Astro’s _image endpoint CVSS 4.0MEDIUM 6.9
  • TI-2025-39915 Server-side request forgery in withastro astro CVSS 3.1MEDIUM 6.5
  • TI-2025-38274 Astro's `X-Forwarded-Host` is reflected with no validation CVSS 3.1MEDIUM 6.5
  • TI-2026-36915 Astro: Reflected XSS via unescaped slot name CVSS 3.1HIGH 7.1
  • TI-2025-40102 Astro is vulnerable to Reflected XSS via the server islands feature CVSS 3.1HIGH 7.1
See all 19 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences