CVE-2026-64682 AstroBlocks: Admin session tokens can be forged due to a hard-coded fallback JWT secret and a mismatched environment variable name
CriticalCVSS 9.8
- Published
- Updated
- Exploit status
- No public exploit known
Description
AstroBlocks is a block-first CMS for Astro projects. Prior to version 3.4.0, admin session tokens can be forged due to a hard-coded fallback JWT secret and a mismatched environment variable name. An attacker who knows the public fallback value (readable in the published package) can forge a valid session token with role: "owner" and obtain full administrative control of the CMS — creating/deleting content, users, media, redirects, and configuration. This issue has been patched in version 3.4.0.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| NauelG astro-blocks | = < 3.4.0 | No fix listed |