CVE-2026-73425

CVE-2026-73425 affects Astro with the Netlify adapter prior to 8.1.2. The root cause is in remotePatternToRegex: dots in hostnames are escaped, but pathname metacharacters (., +, ?, (, [) are not escaped, so a restrictive pathname like /img/v1.0/file can match unintended paths. Netlify enforces t...

@astrojs/netlify generates an overly-broad Netlify Image CDN allowlist because remotePatterns.pathname metacharacters are not escaped

Summary The @astrojs/netlify adapter converts each image.remotePatterns entry into a regular expression that is written to .netlify/v1/config.json under images.remoteimages. Netlify's Image CDN uses these regexes as the allowlist that decides which remote image URLs it will optimize...