CVE-2026-41322 MEDIUM

CVE-2026-41322: @astrojs/node: Cache Poisoning due to incorrect error handling when if-match header is malformed

Vendor Withastro
Product astro
Weakness CWE-525
Published April 24, 2026
Last update April 25, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

What the vulnerability does

01Description

@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 instead of 412 in some cases. This has the effect that all subsequent requests to that file, regardless of if-match header will be served a 5xx error instead of the file until the cache expires. This vulnerability is fixed in 10.0.5.

Key dates

02Disclosure timeline

April 24, 2026 CVE published
April 25, 2026 Record updated

Related vulnerabilities

04Related CVE