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.
References
- www.cve.org/CVERecord ↗
- nvd.nist.gov/vuln/detail/CVE-2026-64682 ↗
- github.com/NauelG/astro-blocks/commit/fd83bf0b37a756363f718e134c16e448da09a74d ↗
- github.com/NauelG/astro-blocks/pull/51 ↗
- github.com/NauelG/astro-blocks/releases/tag/v3.4.0 ↗
- github.com/NauelG/astro-blocks/security/advisories/GHSA-mfcg-m7j5-7v72 ↗
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This product uses the NVD API but is not endorsed or certified by the NVD. CVSS scores do not establish exploitation.