CVE-2026-73425
CVE-2026-73425 · @astrojs/netlify generates an overly-broad Netlify Image CDN allowlist because remotePatterns.pathname metacharacters are not escaped
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Astro is a web framework for content-driven websites. Prior to 8.1.2, the Astro Netlify adapter converts each image.remotePatterns entry into a regular expression written to .netlify/v1/config.json under images.remote_images for Netlify's Image CDN allowlist. In packages/integrations/netlify/src/index.ts, remotePatternToRegex() escapes dots in hostname values but interpolates literal pathname values without escaping regular expression metacharacters such as ., +, ?, (, and [, so a restrictive pathname such as /img/v1.0/file also matches metacharacter-adjacent paths, including paths that cross a segment. Netlify enforces the generated regular expression directly and Astro's matchPattern() helper does not revalidate the request, allowing optimization of images on an already-allowed host that the declared pathname was intended to exclude. This issue is fixed in version 8.1.2.
CVSS 3.7 · Baja · EPSS 0,3% · Corrección disponible
- Publicación
- Actualización
Pila tecnológica: node
Productos y versiones afectados
astro
- Versiones
- < 8.1.2: Afectada
Sin corrección publicada
@astrojs/netlify npm
- Intervalos de versiones afectados
- SEMVER: < 8.1.2
Actualiza a 8.1.2