# Astro vulnerabilities Source: https://junglewise.ai/threats/vendors/astro Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/vendors/astro.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 32 vulnerabilities in Astro: 5 in the last 7 days and 10 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-126365, was published on 13 November 2026. 2 vulnerabilities in the last four weeks, level on the four before (2). 3 technologies have a page of their own. ## Counts - Last 7 days: 5 - Last 30 days: 7 - Last 90 days: 10 - All time: 32 (0 critical, 0 exploited in the wild) ## About Astro Astro is an open-source web framework designed for building content-driven websites with a focus on performance. ## Latest Astro vulnerabilities - [CVE-2026-126365: Astro Prism and Markdoc XSS via unsupported language](https://junglewise.ai/threats/cve-2026-126365-astro-is-a-web-framework-for-content-driven-websites-prior-to) (medium, CVSS 5.4, published 13 Nov 2026) - [CVE-2026-126364: Astro case-sensitive path bypass in image endpoint](https://junglewise.ai/threats/cve-2026-126364-astro-is-a-web-framework-for-content-driven-websites-from-5-14-3) (info, published 13 Nov 2026) - [CVE-2026-126363: Astro @astrojs/solid-js HTML injection in slot names](https://junglewise.ai/threats/cve-2026-126363-astro-reflected-xss-via-unescaped-slot-names-in-astrojs-solid-js) (medium, CVSS 4, published 13 Nov 2026) - [CVE-2026-126362: Astro @astrojs/svelte renderer HTML injection via unescaped slot names](https://junglewise.ai/threats/cve-2026-126362-astro-reflected-xss-via-unescaped-slot-names-in-astrojs-svelte) (medium, CVSS 4, published 13 Nov 2026) - [CVE-2026-126361: Astro HTML injection in dynamic element rendering](https://junglewise.ai/threats/cve-2026-126361-astro-is-a-web-framework-for-content-driven-websites-prior-to-7) (info, published 13 Nov 2026) - [CVE-2026-114128: Astro HTML injection in script and style element rendering](https://junglewise.ai/threats/cve-2026-114128-astro-is-a-web-framework-for-content-driven-websites-prior-to-7) (medium, CVSS 6.5, published 21 Oct 2026) - [CVE-2026-114127: Astro CSS injection in View Transition animation values](https://junglewise.ai/threats/cve-2026-114127-astro-is-a-web-framework-for-content-driven-websites-from-7-1-0) (medium, CVSS 4, published 21 Oct 2026) - [CVE-2026-102984: Astro Node adapter denial of service in Host header parsing](https://junglewise.ai/threats/cve-2026-102984-astro-is-a-web-framework-for-content-driven-websites-prior-to-11) (high, CVSS 4, published 30 Sep 2026) - [CVE-2026-102983: Astro @astrojs/netlify adapter unanchored regex bypass in image allowlist](https://junglewise.ai/threats/cve-2026-102983-astro-is-a-web-framework-for-content-driven-websites-from-5-2-0) (medium, CVSS 4, published 30 Sep 2026) - [CVE-2026-73424: Astro Vercel ISR unauthenticated path override](https://junglewise.ai/threats/cve-2026-73424-astro-vercel-isr-unauthenticated-path-override) (medium, CVSS 6.5, published 17 Aug 2026) - [CVE-2026-73425: Astro @astrojs/netlify unescaped regex metacharacters in image CDN allowlist](https://junglewise.ai/threats/cve-2026-73425-astro-astrojs-netlify-unescaped-regex-metacharacters-in-image-cdn) (low, CVSS 3.7, published 12 Aug 2026) - [CVE-2026-59730: withastro Astro open redirect in @astrojs/node server](https://junglewise.ai/threats/cve-2026-59730-withastro-astro-open-redirect-in-astrojs-node-server) (medium, CVSS 4, published 27 Jul 2026) - [CVE-2026-59728: Astro @astrojs/rss XML injection in source and enclosure fields](https://junglewise.ai/threats/cve-2026-59728-astro-astrojs-rss-xml-injection-in-source-and-enclosure-fields) (medium, CVSS 4.3, published 27 Jul 2026) - [CVE-2026-54300: Astro @astrojs/netlify SSRF via improper image pattern conversion](https://junglewise.ai/threats/cve-2026-54300-astro-astrojs-netlify-ssrf-via-improper-image-pattern-conversion) (medium, CVSS 5.3, published 22 Jun 2026) - [CVE-2026-41322: Astro: Cache Poisoning due to incorrect error handling when if-match header is malformed](https://junglewise.ai/threats/cve-2026-41322-astro-cache-poisoning-due-to-incorrect-error-handling-when-if) (medium, CVSS 5.3, published 24 Apr 2026) - [CVE-2026-41067: Astro: XSS in define:vars via incomplete tag sanitization](https://junglewise.ai/threats/cve-2026-41067-astro-xss-in-define-vars-via-incomplete-script-tag-sanitization) (medium, CVSS 6.1, published 24 Apr 2026) - [CVE-2026-29772: Astro Server Islands memory exhaustion DoS due to missing request body size limit](https://junglewise.ai/threats/cve-2026-29772-astro-astrojs-node-memory-exhaustion-dos-in-server-islands) (low, CVSS 3.1, published 24 Mar 2026) - [CVE-2026-27729: Astro memory exhaustion DoS in Server Actions](https://junglewise.ai/threats/cve-2026-27729-astro-memory-exhaustion-dos-in-server-actions) (low, CVSS 3.1, published 25 Feb 2026) - [CVE-2026-27829: Astro SSRF in remote image inferSize](https://junglewise.ai/threats/cve-2026-27829-astro-ssrf-in-remote-image-infersize) (low, CVSS 3.1, published 25 Feb 2026) - [CVE-2026-25545: Astro Server-Side Rendering SSRF via Host header injection](https://junglewise.ai/threats/cve-2026-25545-astro-server-side-rendering-ssrf-via-host-header-injection) (low, CVSS 3.1, published 23 Feb 2026) - [CVE-2025-66202: Astro authentication bypass via double URL encoding](https://junglewise.ai/threats/cve-2025-66202-astro-authentication-bypass-via-double-url-encoding) (medium, CVSS 6.5, published 9 Dec 2025) - [CVE-2025-65019: Astro Cloudflare adapter stored XSS in /_image endpoint](https://junglewise.ai/threats/cve-2025-65019-astro-cloudflare-adapter-stored-xss-in-image-endpoint) (medium, CVSS 5.4, published 19 Nov 2025) - [CVE-2025-64765: Astro middleware authentication bypass via URL encoding](https://junglewise.ai/threats/cve-2025-64765-astro-middleware-authentication-bypass-via-url-encoding) (medium, CVSS 5.3, published 19 Nov 2025) - [CVE-2025-64764: Astro reflected XSS via server islands feature](https://junglewise.ai/threats/cve-2025-64764-astro-reflected-xss-via-server-islands-feature) (high, CVSS 7.1, published 19 Nov 2025) - [CVE-2025-64757: Astro Development Server path traversal in image endpoint](https://junglewise.ai/threats/cve-2025-64757-astro-development-server-path-traversal-in-image-endpoint) (low, CVSS 3.5, published 19 Nov 2025) ## Most severe Astro vulnerabilities - [CVE-2025-59837: Astro image proxy domain validation bypass leading to SSRF and XSS](https://junglewise.ai/threats/cve-2025-59837-astro-image-proxy-domain-validation-bypass-leading-to-ssrf-and) (high, CVSS 7.2, published 28 Oct 2025) - [CVE-2025-64764: Astro reflected XSS via server islands feature](https://junglewise.ai/threats/cve-2025-64764-astro-reflected-xss-via-server-islands-feature) (high, CVSS 7.1, published 19 Nov 2025) - [CVE-2026-102984: Astro Node adapter denial of service in Host header parsing](https://junglewise.ai/threats/cve-2026-102984-astro-is-a-web-framework-for-content-driven-websites-prior-to-11) (high, CVSS 4, published 30 Sep 2026) - [CVE-2025-64525: Astro URL manipulation via unsanitized headers](https://junglewise.ai/threats/cve-2025-64525-astro-url-manipulation-via-unsanitized-headers) (medium, CVSS 6.5, published 13 Nov 2025) - [CVE-2025-61925: Astro X-Forwarded-Host header injection](https://junglewise.ai/threats/cve-2025-61925-astro-x-forwarded-host-header-injection) (medium, CVSS 6.5, published 10 Oct 2025) - [CVE-2026-73424: Astro Vercel ISR unauthenticated path override](https://junglewise.ai/threats/cve-2026-73424-astro-vercel-isr-unauthenticated-path-override) (medium, CVSS 6.5, published 17 Aug 2026) - [CVE-2025-66202: Astro authentication bypass via double URL encoding](https://junglewise.ai/threats/cve-2025-66202-astro-authentication-bypass-via-double-url-encoding) (medium, CVSS 6.5, published 9 Dec 2025) - [CVE-2026-114128: Astro HTML injection in script and style element rendering](https://junglewise.ai/threats/cve-2026-114128-astro-is-a-web-framework-for-content-driven-websites-prior-to-7) (medium, CVSS 6.5, published 21 Oct 2026) - [CVE-2026-41067: Astro: XSS in define:vars via incomplete tag sanitization](https://junglewise.ai/threats/cve-2026-41067-astro-xss-in-define-vars-via-incomplete-script-tag-sanitization) (medium, CVSS 6.1, published 24 Apr 2026) - [CVE-2025-65019: Astro Cloudflare adapter stored XSS in /_image endpoint](https://junglewise.ai/threats/cve-2025-65019-astro-cloudflare-adapter-stored-xss-in-image-endpoint) (medium, CVSS 5.4, published 19 Nov 2025) ## Vulnerabilities per week 2 vulnerabilities in the last four weeks, level on the four before (2). | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 1 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 2 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 2 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 5 | 0 | 0 | ## Astro technologies - [Astro](https://junglewise.ai/threats/technologies/astro-astro): 16 vulnerabilities - [Astro Node.js Adapter](https://junglewise.ai/threats/technologies/node-js-adapter): 7 vulnerabilities - [Astro Netlify-Adapter](https://junglewise.ai/threats/technologies/netlify-adapter): 3 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Astro vulnerabilities", https://junglewise.ai/threats/vendors/astro, 13 November 2026.