# Astro vulnerabilities

Source: https://junglewise.ai/threats/technologies/astro-astro  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 01:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/astro-astro.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 16 vulnerabilities in Astro: 2 in the last 7 days and 4 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-126364, was published on 13 November 2026. 2 vulnerabilities in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 2
- Last 30 days: 4
- Last 90 days: 4
- All time: 16 (0 critical, 0 exploited in the wild)

## About Astro

Framework for building static websites with modern JavaScript and minimal client-side processing.

## Latest Astro vulnerabilities

- [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-2026-126361: 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-2026-41067: Astro: XSS in define:vars via incomplete </script> 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-2025-66202: 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)
- [CVE-2025-64745: Astro development server reflected XSS in error page](https://junglewise.ai/threats/cve-2025-64745-astro-development-server-reflected-xss-in-error-page) (low, CVSS 3.1, published 13 Nov 2025)
- [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-2025-59837: 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-2025-61925: 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-2025-55303: Astro _image endpoint third-party domain bypass](https://junglewise.ai/threats/cve-2025-55303-astro-image-endpoint-third-party-domain-bypass) (low, CVSS 3.1, published 19 Aug 2025)
- [CVE-2024-56159: Astro server source code exposure via enabled sourcemaps](https://junglewise.ai/threats/cve-2024-56159-astro-server-source-code-exposure-via-enabled-sourcemaps) (medium, CVSS 4, published 19 Dec 2024)

## 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-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-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 </script> 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)
- [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-2024-56159: Astro server source code exposure via enabled sourcemaps](https://junglewise.ai/threats/cve-2024-56159-astro-server-source-code-exposure-via-enabled-sourcemaps) (medium, CVSS 4, published 19 Dec 2024)

## Vulnerabilities per week

2 vulnerabilities in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 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 | 0 | 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 | 2 | 0 | 0 |

## Other Astro technologies

- [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/technologies/astro-astro, 13 November 2026.
