What is CVE-2026-41322?

CVE-2026-41322 is a medium-severity vulnerability in Withastro Astro, classified under CWE-525. CVSS score: 5.3/10. Published 2026-04-24.

How severe is CVE-2026-41322?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Withastro Astro

CVE-2026-41322

@astrojs/node allows Astro to deploy your SSR site to Node targets. Prior to 10.0.5, requesting a static js/css resources from _astro path with an incorrect/malformed if-match header returns a 500 error with a one year cache lifetime inste…

EPSS: 0.001 (17.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Withastro Astro — versions < 10.0.5

Weakness classification (CWE)

CWE-525

References

https://github.com/withastro/astro/security/advisories/GHSA-c57f-mm3j-27q9 (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-41322?: CVE-2026-41322 is a medium-severity vulnerability in Withastro Astro, classified under CWE-525. CVSS score: 5.3/10. Published 2026-04-24.
How severe is CVE-2026-41322?: Medium severity. CVSS v3 base score is 5.3 out of 10.