AIKIDO-2026-10972
@astrojs/internal-helpers is vulnerable to Server-Side Request Forgery (SSRF)
65
Medium Risk
This Affects:
@astrojs/internal-helpersTL;DR
The isRemotePath() helper in @astrojs/internal-helpers/path classifies image href values for Astro's /_image pipeline. Before the fix, URL-encoded or literal control characters immediately after a leading slash caused the helper to treat the value as a local path. Downstream image handling could then follow protocol-relative or remote targets and bypass configured image.domains and image.remotePatterns restrictions. The patch replaces the negative slash check with a positive allowlist so control characters no longer bypass remote-path detection.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
@astrojs/internal-helpers is vulnerable to Server-Side Request Forgery (SSRF) in versions 0.7.4 - 0.9.0.
How to fix this
Upgrade the @astrojs/internal-helpers library to the patch version.
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SOC 2Compliant
ISO 27001CompliantISO 42001Compliant
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