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CVE-2026-23837 β€” AI Deep Analysis Summary

CVSS 9.8 Β· Critical

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: MyTube (v1.7.66-) has a broken auth check. πŸ“‰ **Consequences**: Attackers bypass `roleBasedAuthMiddleware` to access/modify settings & protected routes without permission.

Q2Root Cause? (CWE/Flaw)

πŸ›‘οΈ **Root Cause**: **CWE-863** (Incomplete Correct Authorization). The middleware fails to properly verify user roles before granting access to sensitive endpoints.

Q3Who is affected? (Versions/Components)

πŸ‘₯ **Affected**: **MyTube** by **franklioxygen** (Peifan Li). πŸ“¦ **Version**: All versions **before 1.7.66**.

Q4What can hackers do? (Privileges/Data)

πŸ’€ **Attacker Power**: Full control over **App Settings** & **Protected Routes**. πŸ“Š **Impact**: High Confidentiality, Integrity, & Availability loss (CVSS H/I/A: H).

Q5Is exploitation threshold high? (Auth/Config)

πŸ”“ **Threshold**: **LOW**. βš™οΈ **Config**: No auth required (`PR:N`), Network accessible (`AV:N`), Low complexity (`AC:L`). Easy to exploit remotely.

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

πŸ§ͺ **Exploit**: **No public PoC** listed in data. 🌐 **Wild Exp**: Unlikely widespread yet, but the flaw is critical. Check GitHub advisories for updates.

Q7How to self-check? (Features/Scanning)

πŸ” **Self-Check**: Scan for MyTube instances. πŸ§ͺ **Test**: Attempt to access protected routes/settings without valid session/role tokens. If accessible, you are vulnerable.

Q8Is it fixed officially? (Patch/Mitigation)

βœ… **Fixed**: **YES**. πŸ“… **Patch**: Released **2026-01-19**. πŸ› οΈ **Action**: Update to **v1.7.66** or later. See GitHub Advisory GHSA-cmvj-g69f-8664.

Q9What if no patch? (Workaround)

🚧 **No Patch?**: Isolate the instance. 🚫 **Block**: Restrict network access to untrusted zones. πŸ›‘ **Manual**: Audit `roleBasedAuthMiddleware` code if self-hosting.

Q10Is it urgent? (Priority Suggestion)

πŸ”₯ **Urgency**: **CRITICAL**. πŸš€ **Priority**: **P1**. Immediate patching required due to remote, unauthenticated, high-impact nature. Don't wait!