Package Instance
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GET /api/packages/1043376?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/1043376?format=api", "purl": "pkg:npm/%40astrojs/cloudflare@0.0.0-cf-10-solid-20240329084913", "type": "npm", "namespace": "@astrojs", "name": "cloudflare", "version": "0.0.0-cf-10-solid-20240329084913", "qualifiers": {}, "subpath": "", "is_vulnerable": true, "next_non_vulnerable_version": "13.1.10", "latest_non_vulnerable_version": "13.1.10", "affected_by_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/89409?format=api", "vulnerability_id": "VCID-na1j-5218-9fd7", "summary": "Cloudflare has SSRF via redirect following through its image-binding-transform endpoint (incomplete fix for GHSA-qpr4)\n## Summary\n\nThe `fetch()` call for remote images in `packages/integrations/cloudflare/src/utils/image-binding-transform.ts` (line 28) uses the default `redirect: 'follow'` behavior. This allows the Cloudflare Worker to follow HTTP redirects to arbitrary URLs, bypassing the `isRemoteAllowed()` domain allowlist check which only validates the initial URL.\n\nAll three other image fetch paths in the codebase correctly use `{ redirect: 'manual' }`. This is an incomplete fix for GHSA-qpr4-c339-7vq8.\n\nConfirmed on HEAD.\n\n## Root Cause\n\n`image-binding-transform.ts` line 28:\n\n const content = await (isRemotePath(href) ? fetch(imageSrc) : assets.fetch(imageSrc));\n\nMissing `{ redirect: 'manual' }`. The three protected paths:\n\n // image-passthrough-endpoint.ts:23\n response = await fetch(href, { redirect: 'manual' });\n\n // assets/endpoint/shared.ts:11\n const res = await fetch(src, { redirect: 'manual' });\n\n // assets/utils/remoteProbe.ts:53\n const response = await fetch(url, { redirect: 'manual' });\n\n## PoC\n\nDemonstrated with Node.js that `fetch()` without `redirect: 'manual'` follows 302 redirects to arbitrary destinations:\n\n # Server A (allowed domain) returns 302 → Server B (internal)\n fetch('http://allowed:19741/img.jpg') → follows 302 → hits http://internal:19742/secret\n fetch('http://allowed:19741/img.jpg', {redirect:'manual'}) → returns 302, internal server NOT hit\n\nAttack path: attacker finds an open redirect on an allowed domain, crafts `/_image?href=https://allowed-cdn.com/redirect?url=http://internal-service/`, and the Worker follows the redirect to the unauthorized destination.\n\n## Impact\n\nBypasses the `image.domains` and `image.remotePatterns` allowlist for the default Cloudflare image service (`cloudflare-binding`). Enables blind SSRF to domains not in the allowlist. Same vulnerability class as GHSA-qpr4-c339-7vq8 (HIGH) which fixed the passthrough endpoint but missed this one.\n\n## Suggested Fix\n\n const content = await (isRemotePath(href) ? fetch(imageSrc, { redirect: 'manual' }) : assets.fetch(imageSrc));", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2026-41321", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00047", "scoring_system": "epss", "scoring_elements": "0.14968", "published_at": "2026-06-05T12:55:00Z" }, { "value": "0.00047", "scoring_system": "epss", "scoring_elements": "0.14868", "published_at": "2026-06-09T12:55:00Z" }, { "value": "0.00047", "scoring_system": "epss", "scoring_elements": "0.14842", "published_at": "2026-06-08T12:55:00Z" }, { "value": "0.00047", "scoring_system": "epss", "scoring_elements": "0.14924", "published_at": "2026-06-07T12:55:00Z" }, { "value": "0.00047", "scoring_system": "epss", "scoring_elements": "0.14965", "published_at": "2026-06-06T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-41321" }, { "reference_url": "https://github.com/withastro/astro", "reference_id": "", "reference_type": "", "scores": [ { "value": "2.2", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/withastro/astro" }, { "reference_url": "https://github.com/withastro/astro/commit/a43eb4b40b4f81530e3c9b5e2959495900320433", "reference_id": "", "reference_type": "", "scores": [ { "value": "2.2", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/withastro/astro/commit/a43eb4b40b4f81530e3c9b5e2959495900320433" }, { "reference_url": "https://github.com/withastro/astro/releases/tag/%40astrojs%2Fcloudflare%4013.1.10", "reference_id": "", "reference_type": "", "scores": [ { "value": "2.2", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/withastro/astro/releases/tag/%40astrojs%2Fcloudflare%4013.1.10" }, { "reference_url": "https://github.com/withastro/astro/security/advisories/GHSA-88gm-j2wx-58h6", "reference_id": "", "reference_type": "", "scores": [ { "value": "2.2", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L" }, { "value": "LOW", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-24T18:27:06Z/" } ], "url": "https://github.com/withastro/astro/security/advisories/GHSA-88gm-j2wx-58h6" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-41321", "reference_id": "", "reference_type": "", "scores": [ { "value": "2.2", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-41321" }, { "reference_url": "https://github.com/advisories/GHSA-88gm-j2wx-58h6", "reference_id": "GHSA-88gm-j2wx-58h6", "reference_type": "", "scores": [ { "value": "LOW", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-88gm-j2wx-58h6" }, { "reference_url": "https://github.com/advisories/GHSA-qpr4-c339-7vq8", "reference_id": "GHSA-qpr4-c339-7vq8", "reference_type": "", "scores": [ { "value": "2.2", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-qpr4-c339-7vq8" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/110579?format=api", "purl": "pkg:npm/%40astrojs/cloudflare@13.1.10", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540astrojs/cloudflare@13.1.10" } ], "aliases": [ "CVE-2026-41321", "GHSA-88gm-j2wx-58h6" ], "risk_score": 1.4, "exploitability": "0.5", "weighted_severity": "2.7", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-na1j-5218-9fd7" } ], "fixing_vulnerabilities": [], "risk_score": "1.4", "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540astrojs/cloudflare@0.0.0-cf-10-solid-20240329084913" }
