CVE-2025-68435 — AI Deep Analysis Summary

Q: What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: Zerobyte (v<0.18.5 & v<0.19.0) has a critical auth bypass flaw. 📉 **Consequences**: Attackers can access sensitive backup data without credentials. Total loss of confidentiality & integrity! 💥

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: CWE-305 (Auth Bypass). 🔍 **Flaw**: The authentication middleware was **not correctly applied** to specific API endpoints. 🚫 Security check was skipped!

Q: Who is affected? (Versions/Components)

👥 **Affected**: Users of **Nico (nicotsx)**'s Zerobyte software. 📦 **Versions**: All versions **before 0.18.5** AND all versions **before 0.19.0**. ⚠️ Check your version immediately!

Q: What can hackers do? (Privileges/Data)

💀 **Hacker Power**: Full **Authentication Bypass**. 🔓 **Privileges**: Can act as an admin/user. 📂 **Data**: High risk of reading/storing backup files. CVSS Score: **High** (C:H, I:H).

Q: Is exploitation threshold high? (Auth/Config)

⚡ **Threshold**: **LOW**. 🌐 **Network**: Remote (AV:N). 🚫 **Auth**: None required (PR:N). 🧠 **UI**: None required (UI:N). Easy to exploit! 🎯

Q: Is there a public Exp? (PoC/Wild Exploitation)

🚫 **Public Exp?**: No PoC provided in data. 📜 **Refs**: GitHub Issue #161 & GHSA advisory exist. 🕵️♂️ **Status**: Theoretical/Confirmed, but no wild exploit code yet. Stay alert!

Q: How to self-check? (Features/Scanning)

🔍 **Self-Check**: Scan for Zerobyte API endpoints. 🧪 **Test**: Try accessing backup APIs without tokens. 📡 **Indicator**: If API responds without 401/403, you are vulnerable! 🚨

Q: Is it fixed officially? (Patch/Mitigation)

✅ **Fixed?**: Yes! 🛠️ **Patch**: Update to **v0.18.5+** or **v0.19.0+**. 🔗 **Commit**: See commit `13e080a` for the fix. 📥 Upgrade NOW!

Q: What if no patch? (Workaround)

🚧 **No Patch?**: Block external access to API ports. 🛑 **WAF**: Filter requests lacking valid auth headers. 🏗️ **Isolate**: Segment the network hosting Zerobyte. 🛡️ Mitigate risk!

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. 🚨 **Priority**: P1. 📢 **Action**: Patch immediately. CVSS is High, and auth bypass is a top-tier threat. Don't wait! ⏳

Updated May 06, 2026 CVSS 9.1 · Critical

This is a summary of the AI-generated 10-question deep analysis. The full version (longer answers, follow-up Q&A, related CVEs) requires login. Read the full analysis →

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: Zerobyte (v<0.18.5 & v<0.19.0) has a critical auth bypass flaw. 📉 **Consequences**: Attackers can access sensitive backup data without credentials. Total loss of confidentiality & integrity! 💥

Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: CWE-305 (Auth Bypass). 🔍 **Flaw**: The authentication middleware was **not correctly applied** to specific API endpoints. 🚫 Security check was skipped!

Q3Who is affected? (Versions/Components)

👥 **Affected**: Users of **Nico (nicotsx)**'s Zerobyte software. 📦 **Versions**: All versions **before 0.18.5** AND all versions **before 0.19.0**. ⚠️ Check your version immediately!

Q4What can hackers do? (Privileges/Data)

💀 **Hacker Power**: Full **Authentication Bypass**. 🔓 **Privileges**: Can act as an admin/user. 📂 **Data**: High risk of reading/storing backup files. CVSS Score: **High** (C:H, I:H).

Q5Is exploitation threshold high? (Auth/Config)

⚡ **Threshold**: **LOW**. 🌐 **Network**: Remote (AV:N). 🚫 **Auth**: None required (PR:N). 🧠 **UI**: None required (UI:N). Easy to exploit! 🎯

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

🚫 **Public Exp?**: No PoC provided in data. 📜 **Refs**: GitHub Issue #161 & GHSA advisory exist. 🕵️‍♂️ **Status**: Theoretical/Confirmed, but no wild exploit code yet. Stay alert!

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: Scan for Zerobyte API endpoints. 🧪 **Test**: Try accessing backup APIs without tokens. 📡 **Indicator**: If API responds without 401/403, you are vulnerable! 🚨

Q8Is it fixed officially? (Patch/Mitigation)

✅ **Fixed?**: Yes! 🛠️ **Patch**: Update to **v0.18.5+** or **v0.19.0+**. 🔗 **Commit**: See commit `13e080a` for the fix. 📥 Upgrade NOW!

Q9What if no patch? (Workaround)

🚧 **No Patch?**: Block external access to API ports. 🛑 **WAF**: Filter requests lacking valid auth headers. 🏗️ **Isolate**: Segment the network hosting Zerobyte. 🛡️ Mitigate risk!

Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. 🚨 **Priority**: P1. 📢 **Action**: Patch immediately. CVSS is High, and auth bypass is a top-tier threat. Don't wait! ⏳

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Vulnerability detail Full AI analysis (login) nicotsx CWE-305