CVE-2025-59845
📋 TL;DR
This CSRF vulnerability in Apollo Studio's embeddable components allows malicious websites to send forged messages that execute arbitrary GraphQL queries against the victim's GraphQL server using their authenticated session. Organizations embedding Apollo Explorer or Apollo Sandbox on their websites are affected. The attack requires the victim to visit a malicious site while authenticated to the vulnerable GraphQL service.
💻 Affected Systems
- Apollo Studio Embeddable Explorer
- Apollo Studio Embeddable Sandbox
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could execute arbitrary GraphQL queries/mutations to read, modify, or delete sensitive data, potentially leading to data breach, account takeover, or service disruption.
Likely Case
Attackers could read sensitive data from GraphQL endpoints or perform unauthorized mutations, depending on the exposed GraphQL schema and permissions.
If Mitigated
With proper origin validation and CSRF protections, the attack would be blocked, preventing unauthorized GraphQL operations.
🎯 Exploit Status
Exploitation requires victim to be authenticated to the GraphQL service and visit a malicious website. The vulnerability is in client-side JavaScript handling of postMessage events.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Apollo Sandbox 2.7.2, Apollo Explorer 3.7.3
Vendor Advisory: https://github.com/apollographql/embeddable-explorer/security/advisories/GHSA-w87v-7w53-wwxv
Restart Required: No
Instructions:
1. Update Apollo Sandbox to version 2.7.2 or later. 2. Update Apollo Explorer to version 3.7.3 or later. 3. Update the embed code on your website to reference the patched versions.
🔧 Temporary Workarounds
Implement Content Security Policy (CSP)
allRestrict which domains can embed your content using frame-ancestors directive
Content-Security-Policy: frame-ancestors 'self' https://trusted-domain.com;
Add postMessage origin validation
allImplement origin checking in your window message event handlers
window.addEventListener('message', (event) => { if (event.origin !== 'https://your-domain.com') return; // Handle message });
🧯 If You Can't Patch
- Remove Apollo embeddable components from production websites
- Implement strict CSP policies to restrict embedding
🔍 How to Verify
Check if Vulnerable:
Check if your website embeds Apollo Sandbox < 2.7.2 or Apollo Explorer < 3.7.3 by inspecting the embed code or JavaScript sources.Check Version:
Inspect the embed script URL or JavaScript console for version information; typically found in script tags like: <script src="https://embeddable-sandbox.cdn.apollographql.com/_latest/embeddable-sandbox.umd.production.min.js">Verify Fix Applied:
Confirm the embed code references Apollo Sandbox >= 2.7.2 or Apollo Explorer >= 3.7.3, and test that postMessage events from unauthorized origins are rejected.📡 Detection & Monitoring
Log Indicators:
- Unexpected GraphQL queries from unusual origins
- Failed authentication attempts from cross-origin requests
Network Indicators:
- postMessage events from unexpected domains to your GraphQL endpoint
- Cross-origin requests to GraphQL API without proper CORS headers
SIEM Query:
source="web_server" AND (uri="/graphql" OR uri="/api") AND referer NOT IN ("trusted-domains.com")