Resource exhaustion in Astro \@Astrojs\/node
CVE-2026-29772
Astro is a web framework. Prior to version 10.0.0, Astro's Server Islands POST handler buffers and parses the full request body as JSON without enforcing a size limit. Because JSON.parse() allocates a V8 heap object for every element in th…
EPSS: 0.004 (29.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Astro \@Astrojs\/node
- Withastro Astro — versions < 10.0.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-29772?
- CVE-2026-29772 is a medium-severity vulnerability in Astro \@Astrojs\/node, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.9/10. Published 2026-03-24.
- How severe is CVE-2026-29772?
- Medium severity. CVSS v3 base score is 5.9 out of 10.