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TI-2026-39196 Aliases CVE-2026-54300GHSA-529g-xq4f-cw38

@astrojs/netlify broadens Astro image.remotePatterns in Netlify Image CDN config

Priority MEDIUM 63CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
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-918 and the CVSS impact.

Summary

@astrojs/netlify is an adapter that allows Astro to deploy your hybrid or server rendered site to Netlify. Prior to 7.0.13, @astrojs/netlify converts Astro image.remotePatterns into Netlify Image CDN images.remote_images regular expressions with broader semantics than Astro's canonical matcher. A single wildcard hostname such as *.example.com is converted to an optional subdomain regex, so the apex host matches. A single wildcard pathname such as /ok/* is converted without end anchoring, so deeper paths match by prefix. This vulnerability is fixed in 7.0.13.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00313 24th percentileScored 2026-11-07
Fix Fixed astro (withastro): 7.0.13@astrojs/netlify (npm): 7.0.13

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
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 7.0.137.0.13Patch availableCNA
—@astrojs/netlify (npm)before 7.0.137.0.13Patch availableGHSA-529g-xq4f-cw38
  • astro Vendorwithastro Affected before 7.0.13 Fixed in 7.0.13 Patch available CNA
  • @astrojs/netlify (npm) Vendor— Affected before 7.0.13 Fixed in 7.0.13 Patch available GHSA-529g-xq4f-cw38

Remediation

  • Fix · CNA astro (withastro) Fixed in 7.0.13
  • Fix · GHSA-529g-xq4f-cw38 @astrojs/netlify (npm) Fixed in 7.0.13 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-54300
  2. 2026-10-03 Alias added: GHSA-529g-xq4f-cw38

References

Advisory 1

Other 2

  • TI-2026-26147 Astro: Unauthenticated Path Override via `x-astro-path` / `x_astro_path` CVSS 3.1CRITICAL 9.1
  • TI-2026-42600 Astro 6.4.7 Authorization Bypass via Decode Iteration Limit and Rewrite Path Canonicalization Mismatch CVSS 3.1HIGH 8.2
  • TI-2024-37142 Server source code is exposed to the public if sourcemaps are enabled CVSS 4.0HIGH 7.8
  • TI-2025-35987 Astro Cloudflare adapter is vulnerable to Server-Side Request Forgery via /_image endpoint CVSS 3.1HIGH 7.2
  • TI-2025-34958 Unauthorized third-party images in Astro’s _image endpoint CVSS 4.0MEDIUM 6.9
  • TI-2026-51542 Astro: Unauthenticated path override in the @astrojs/vercel ISR function CVSS 3.1MEDIUM 6.5
See all 43 →

Sources

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