CVE-2026-41067 Astro: XSS via incomplete `</script>` sanitization in `define:vars` allows case-insensitive and whitespace-based bypass

Astro is a web framework. Prior to 6.1.6, the defineScriptVars function in Astro's server-side rendering pipeline uses a case-sensitive regex //g to sanitize values injected into inline tags via the define:vars directive. HTML parsers close elements case-insensitively and also accept whitespace o...

EUVD-2026-25573

Astro is a web framework. Prior to 6.1.6, the defineScriptVars function in Astro's server-side rendering pipeline uses a case-sensitive regex //g to sanitize values injected into inline tags via the define:vars directive. HTML parsers close elements case-insensitively and also accept whitespace o...

@1771technologies/oneplay (>=0.0.1, <=0.0.6), @akalymon/web (0.1.0) +623 more potentially affected by CVE-2026-41067 via astro (>=0.20.12, <=6.1.5)

astro NPM version =0.20.12, =0.0.1, =0.1.6, =1.0.0, =0.5.0, =1.0.0, =0.0.17, =0.0.2, =0.0.1, =0.2.0, =0.0.0-experimental-7c2f356, =0.10.1 and more Source cves: CVE-2026-41067 Source advisory: MEND:CVE-2026-41067...

CVE-2026-41067

Astro is a web framework. Prior to 6.1.6, the defineScriptVars function in Astro's server-side rendering pipeline uses a case-sensitive regex //g to sanitize values injected into inline ,...

CVE-2026-41067 Astro: XSS via incomplete `</script>` sanitization in `define:vars` allows case-insensitive and whitespace-based bypass

Astro is a web framework. Prior to 6.1.6, the defineScriptVars function in Astro's server-side rendering pipeline uses a case-sensitive regex //g to sanitize values injected into inline tags via the define:vars directive. HTML parsers close elements case-insensitively and also accept whitespace o...

CVE-2026-41067: Improper Neutralization of Input During Web Page Generation

Astro is a web framework. Prior to 6.1.6, the defineScriptVars function in Astro's server-side rendering pipeline uses a case-sensitive regex //g to sanitize values injected into inline , , or and inject arbitrary HTML/JavaScript. This vulnerability is fixed in 6.1.6...

CVE-2026-41248: Interpretation Conflict

Clerk JavaScript is the official JavaScript repository for Clerk authentication. createRouteMatcher in @clerk/nextjs, @clerk/nuxt, and @clerk/astro can be bypassed by certain crafted requests, allowing them to skip middleware gating and reach downstream handlers. This vulnerability is fixed in...

Astro cross-site scripting vulnerabilities

Astro is a content-driven website framework developed by Astro OpenSource. Versions of Astro prior to 6.1.6 contained a cross-site scripting vulnerability. This vulnerability stemmed from the use of case-sensitive regular expressions in the defineScriptVars function, which cleaned and injected...

Astro security vulnerabilities

Astro is a content-driven website framework developed by Astro OpenSource. Versions of Astro prior to 10.0.5 contained security vulnerabilities; these vulnerabilities stemmed from incorrect status codes returned when processing the if-match header, which could lead to static resource caching erro...

Astro code issues and vulnerabilities

Astro is a content-driven website framework developed by Astro OpenSource. Versions of Astro prior to 13.1.10 had code vulnerabilities. These vulnerabilities stemmed from the use of default redirection behavior in fetch calls, which could allow Cloudflare Workers to bypass domain whitelist checks...

@chocolatey-software/astro (2.7.0) potentially affected by CVE-2026-41322 via @astrojs/node (10.0.4)

@astrojs/node NPM version 10.0.4 is affected by a known vulnerability. The following packages have a transitive dependency on @astrojs/node and may be impacted: - @chocolatey-software/astro 2.7.0 Source cves: CVE-2026-41322 Source advisory: OSV:GHSA-C57F-MM3J-27Q9...

@chocolatey-software/astro (2.7.0) potentially affected by CVE-2026-41322 via @astrojs/node (10.0.4)

@astrojs/node NPM version 10.0.4 is affected by a known vulnerability. The following packages have a transitive dependency on @astrojs/node and may be impacted: - @chocolatey-software/astro 2.7.0 Source cves: CVE-2026-41322 Source advisory: SNYK:JS-ASTROJSNODE-16189085...

@chocolatey-software/astro (2.7.0) potentially affected by CVE-2026-41322 via @astrojs/node (10.0.4)

@astrojs/node NPM version 10.0.4 is affected by a known vulnerability. The following packages have a transitive dependency on @astrojs/node and may be impacted: - @chocolatey-software/astro 2.7.0 Source cves: CVE-2026-41322 Source advisory: GHSA-C57F-MM3J-27Q9...

Astro: Cache Poisoning due to incorrect error handling when if-match header is malformed

Summary Requesting a static JS/CSS resource from the astro path with an incorrect or malformed if-match header returns a 500 error with a one-year cache lifetime instead of 412 in some cases. As a result, all subsequent requests to that file — regardless of the if-match header — will be served a...

GHSA-C57F-MM3J-27Q9 Astro: Cache Poisoning due to incorrect error handling when if-match header is malformed

Summary Requesting a static JS/CSS resource from the astro path with an incorrect or malformed if-match header returns a 500 error with a one-year cache lifetime instead of 412 in some cases. As a result, all subsequent requests to that file — regardless of the if-match header — will be served a...

PT-2026-34681

Summary Requesting a static JS/CSS resource from the astro path with an incorrect or malformed if-match header returns a 500 error with a one-year cache lifetime instead of 412 in some cases. As a result, all subsequent requests to that file — regardless of the if-match header — will be served a...

@chocolatey-software/astro (2.7.0), @kyro-cms/admin (0.1.2) +8 more potentially affected by CVE-2026-41067 via astro (>=6.0.0-beta.1, <=6.1.5)

astro NPM version =6.0.0-beta.1, =0.19.0, =0.19.0, =1.10.0, =1.0.0, =1.4.2, =0.0.1, =0.0.1, =0.0.7 Source cves: CVE-2026-41067 Source advisory: GHSA-J687-52P2-XCFF...

@chocolatey-software/astro (2.7.0), @kyro-cms/admin (0.1.2) +8 more potentially affected by CVE-2026-41067 via astro (>=6.0.0-beta.1, <=6.1.5)

astro NPM version =6.0.0-beta.1, =0.19.0, =0.19.0, =1.10.0, =1.0.0, =1.4.2, =0.0.1, =0.0.1, =0.0.7 Source cves: CVE-2026-41067 Source advisory: SNYK:JS-ASTRO-16119128...

@chocolatey-software/astro (2.7.0), @kyro-cms/admin (0.1.2) +8 more potentially affected by CVE-2026-41067 via astro (>=6.0.0-beta.1, <=6.1.5)

astro NPM version =6.0.0-beta.1, =0.19.0, =0.19.0, =1.10.0, =1.0.0, =1.4.2, =0.0.1, =0.0.1, =0.0.7 Source cves: CVE-2026-41067 Source advisory: OSV:GHSA-J687-52P2-XCFF...

Cross-site Scripting (XSS)

Overview astro is an Astro is a modern site builder with web best practices, performance, and DX front-of-mind. Affected versions of this package are vulnerable to Cross-site Scripting XSS in the defineScriptVars function due to incomplete sanitization of closing tags within injected variables. A...