CVE-2025-59334 — AI Deep Analysis Summary

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

🚨 **Essence**: Linkr v2.0.0- fails to verify `.linkr` manifest integrity. 💥 **Consequences**: Arbitrary file injection & Remote Code Execution (RCE). Critical impact on Confidentiality, Integrity, and Availability.

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: CWE-347 (Improper Verification of Cryptographic Signature). ❌ **Flaw**: No validation of the `.linkr` manifest file's authenticity or integrity before processing.

Q: Who is affected? (Versions/Components)

👥 **Affected**: Product: **Linkr** by **mohammadzain2008**. 📦 **Version**: **2.0.0 and earlier**. 🌐 **Type**: Personal file transfer system.

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

💀 **Attacker Actions**: 1️⃣ Inject arbitrary files. 2️⃣ Execute remote code (RCE). 🔓 **Privileges**: Full system control (CVSS: High/High/High).

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

⚖️ **Threshold**: **Low**. 🌍 **Network**: Remote (AV:N). 🎯 **Complexity**: Low (AC:L). 👤 **User Interaction**: Required (UI:R) - victim must interact with the malicious manifest.

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

📂 **Public Exp?**: No PoCs listed in data. 🔗 **References**: GitHub Advisory & Commit fix available. ⚠️ **Status**: Likely exploitable given CVSS 9.8 score, but no specific wild exploit code confirmed yet.

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

🔍 **Self-Check**: 1. Check Linkr version (≤2.0.0). 2. Audit `.linkr` manifest handling logic. 3. Scan for unverified signature checks in file upload/transfer modules.

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

✅ **Fixed?**: **Yes**. 🔧 **Patch**: Commit `182e5dd...` addresses the issue. 📝 **Source**: GitHub Security Advisory (GHSA-6wph-mpv2-29xv).

Q: What if no patch? (Workaround)

🚧 **No Patch?**: 1️⃣ **Disable** `.linkr` manifest processing if possible. 2️⃣ **Validate** all incoming manifest files strictly. 3️⃣ **Isolate** the service to prevent RCE spread.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. 📅 **Priority**: Patch immediately. 📉 **Risk**: CVSS 9.8 (Critical). RCE + Low Exploit Complexity = High Threat Level.

Updated May 06, 2026 CVSS 9.7 · 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**: Linkr v2.0.0- fails to verify `.linkr` manifest integrity. <br>💥 **Consequences**: Arbitrary file injection & Remote Code Execution (RCE). Critical impact on Confidentiality, Integrity, and Availability.

Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: CWE-347 (Improper Verification of Cryptographic Signature). <br>❌ **Flaw**: No validation of the `.linkr` manifest file's authenticity or integrity before processing.

Q3Who is affected? (Versions/Components)

👥 **Affected**: Product: **Linkr** by **mohammadzain2008**. <br>📦 **Version**: **2.0.0 and earlier**. <br>🌐 **Type**: Personal file transfer system.

Q4What can hackers do? (Privileges/Data)

💀 **Attacker Actions**: <br>1️⃣ Inject arbitrary files. <br>2️⃣ Execute remote code (RCE). <br>🔓 **Privileges**: Full system control (CVSS: High/High/High).

Q5Is exploitation threshold high? (Auth/Config)

⚖️ **Threshold**: **Low**. <br>🌍 **Network**: Remote (AV:N). <br>🎯 **Complexity**: Low (AC:L). <br>👤 **User Interaction**: Required (UI:R) - victim must interact with the malicious manifest.

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

📂 **Public Exp?**: No PoCs listed in data. <br>🔗 **References**: GitHub Advisory & Commit fix available. <br>⚠️ **Status**: Likely exploitable given CVSS 9.8 score, but no specific wild exploit code confirmed yet.

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: <br>1. Check Linkr version (≤2.0.0). <br>2. Audit `.linkr` manifest handling logic. <br>3. Scan for unverified signature checks in file upload/transfer modules.

Q8Is it fixed officially? (Patch/Mitigation)

✅ **Fixed?**: **Yes**. <br>🔧 **Patch**: Commit `182e5dd...` addresses the issue. <br>📝 **Source**: GitHub Security Advisory (GHSA-6wph-mpv2-29xv).

Q9What if no patch? (Workaround)

🚧 **No Patch?**: <br>1️⃣ **Disable** `.linkr` manifest processing if possible. <br>2️⃣ **Validate** all incoming manifest files strictly. <br>3️⃣ **Isolate** the service to prevent RCE spread.

Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. <br>📅 **Priority**: Patch immediately. <br>📉 **Risk**: CVSS 9.8 (Critical). RCE + Low Exploit Complexity = High Threat Level.

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Vulnerability detail Full AI analysis (login) mohammadzain2008 CWE-347