Goal Reached Thanks to every supporter โ€” we hit 100%!

Goal: 1000 CNY ยท Raised: 1359 CNY

100%

CVE-2026-32301 โ€” AI Deep Analysis Summary

CVSS 9.3 ยท Critical

Q1What is this vulnerability? (Essence + Consequences)

๐Ÿšจ **Essence**: CVE-2026-32301 is a critical SSRF flaw in **Centrifugo**. <br>๐Ÿ’ฅ **Consequences**: Attackers can trigger **Server-Side Request Forgery** via crafted JWTs.โ€ฆ

Q2Root Cause? (CWE/Flaw)

๐Ÿ›ก๏ธ **Root Cause**: **CWE-918** (SSRF). <br>๐Ÿ” **Flaw**: Improper configuration of the **dynamic JWKS endpoint URL**. The server fails to validate the source of the JWT signing keys, allowing malicious redirection. โš ๏ธ

Q3Who is affected? (Versions/Components)

๐Ÿ“ฆ **Affected**: **Centrifugo** (Real-time messaging server by Centrifugal Labs). <br>๐Ÿ“… **Version**: All versions **before 6.7.0**. <br>๐Ÿข **Vendor**: Centrifugal Labs. ๐Ÿ“Œ

Q4What can hackers do? (Privileges/Data)

๐Ÿ•ต๏ธ **Attacker Actions**: <br>1. **SSRF**: Force the server to request internal resources. <br>2. **Auth Bypass**: Exploit the JWT validation loop. <br>3.โ€ฆ

Q5Is exploitation threshold high? (Auth/Config)

๐Ÿ”“ **Threshold**: **LOW**. <br>๐Ÿ”‘ **Auth**: **None required** (Unauthenticated). <br>โš™๏ธ **Config**: Requires only the dynamic JWKS feature to be enabled. <br>๐ŸŒ **Network**: Remote exploitation possible. ๐Ÿš€

Q6Is there a public Exp? (PoC/Wild Exploitation)

๐Ÿงช **Public Exploit**: **No**. <br>๐Ÿ“ **PoC**: The provided data lists **empty** PoCs (`pocs: []`). <br>โš ๏ธ **Risk**: Despite no public code, the CVSS score indicates high exploitability. Be cautious! ๐Ÿ›‘

Q7How to self-check? (Features/Scanning)

๐Ÿ” **Self-Check**: <br>1. Check Centrifugo version (`< 6.7.0`). <br>2. Audit config for **dynamic JWKS URL** settings. <br>3. Monitor logs for unusual JWT validation requests to internal IPs. ๐Ÿ“Š

Q8Is it fixed officially? (Patch/Mitigation)

โœ… **Fixed**: **Yes**. <br>๐Ÿ”ง **Patch**: Upgrade to **Centrifugo 6.7.0** or later. <br>๐Ÿ”— **Ref**: [GitHub Advisory GHSA-j77h-rr39-c552](https://github.com/centrifugal/centrifugo/security/advisories/GHSA-j77h-rr39-c552). ๐Ÿ“„

Q9What if no patch? (Workaround)

๐Ÿšง **No Patch Workaround**: <br>1. **Disable** dynamic JWKS endpoints if not strictly needed. <br>2. **Whitelist** allowed JWKS URLs strictly. <br>3. Apply **WAF** rules to block SSRF patterns in JWT claims. ๐Ÿ›ก๏ธ

Q10Is it urgent? (Priority Suggestion)

๐Ÿ”ฅ **Urgency**: **HIGH**. <br>๐Ÿ“ˆ **Priority**: **P1**. <br>๐Ÿ“‰ **CVSS**: High severity (C:H, S:C). <br>โณ **Action**: Patch immediately upon upgrade to v6.7.0. Do not ignore! โšก