CVE-2025-64525

Astro is a web framework. In Astro versions 2.16.0 up to but excluding 5.15.5 which utilizeon-demand rendering, request headers `x-forwarded-proto` and `x-forwarded-port` are insecurely used, without sanitization, to build the URL. This has several consequences, the most important of which are: middleware-based protected route bypass (only via `x-forwarded-proto`), DoS via cache poisoning (if a CDN is present), SSRF (only via `x-forwarded-proto`), URL pollution (potential SXSS, if a CDN is present), and WAF bypass. Version 5.15.5 contains a patch.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/withastro/astro/blob/970ac0f51172e1e6bff4440516a851e725ac3097/packages/astro/src/core/app/node.ts#L121	Product
https://github.com/withastro/astro/blob/970ac0f51172e1e6bff4440516a851e725ac3097/packages/astro/src/core/app/node.ts#L97	Product
https://github.com/withastro/astro/commit/dafbb1ba29912099c4faff1440033edc768af8b4	Patch
https://github.com/withastro/astro/security/advisories/GHSA-hr2q-hp5q-x767	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:astro:astro:*:*:*:*:*:node.js:*:*

History

No history.

Information

Published : 2025-11-13 16:15

Updated : 2025-11-25 15:14

NVD link : CVE-2025-64525

Mitre link : CVE-2025-64525

CVE.ORG link : CVE-2025-64525

JSON object : View

Products Affected

astro

astro

CWE

CWE-918

Server-Side Request Forgery (SSRF)

{"id": "CVE-2025-64525", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 2.5, "exploitabilityScore": 3.9}]}, "published": "2025-11-13T16:15:56.447", "references": [{"url": "https://github.com/withastro/astro/blob/970ac0f51172e1e6bff4440516a851e725ac3097/packages/astro/src/core/app/node.ts#L121", "tags": ["Product"], "source": "security-advisories@github.com"}, {"url": "https://github.com/withastro/astro/blob/970ac0f51172e1e6bff4440516a851e725ac3097/packages/astro/src/core/app/node.ts#L97", "tags": ["Product"], "source": "security-advisories@github.com"}, {"url": "https://github.com/withastro/astro/commit/dafbb1ba29912099c4faff1440033edc768af8b4", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/withastro/astro/security/advisories/GHSA-hr2q-hp5q-x767", "tags": ["Exploit", "Third Party Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-918"}]}], "descriptions": [{"lang": "en", "value": "Astro is a web framework. In Astro versions 2.16.0 up to but excluding 5.15.5 which utilizeon-demand rendering, request headers `x-forwarded-proto` and `x-forwarded-port` are insecurely used, without sanitization, to build the URL. This has several consequences, the most important of which are: middleware-based protected route bypass (only via `x-forwarded-proto`), DoS via cache poisoning (if a CDN is present), SSRF (only via `x-forwarded-proto`), URL pollution (potential SXSS, if a CDN is present), and WAF bypass. Version 5.15.5 contains a patch."}], "lastModified": "2025-11-25T15:14:02.570", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:astro:astro:*:*:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "1C5C6C54-B40E-40C9-B3EF-905E2A559278", "versionEndExcluding": "5.15.5", "versionStartIncluding": "2.16.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}