CVE-2026-31843 — AI Deep Analysis Summary

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

🚨 **Essence**: Critical RCE in Uzbekistan's national payment system solution. 📉 **Consequences**: Full system compromise, data theft, and service disruption. The `/payment/api/editable/update` endpoint is the weak link.

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: CWE-284 (Improper Access Control). ⚠️ **Flaw**: The API endpoint lacks proper validation, allowing unauthorized execution of arbitrary code.

Q: Who is affected? (Versions/Components)

🎯 **Affected**: `goodoneuz/pay-uz` product. 📦 **Versions**: 2.2.24 and earlier. 👤 **Vendor**: Shaxzodbek Qambaraliyev (Personal Developer).

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

💀 **Hacker Power**: Remote Code Execution (RCE). 🔓 **Privileges**: Unrestricted access (CVSS: AV:N, AC:L, PR:N). 📊 **Impact**: High Confidentiality, Integrity, and Availability loss.

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

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

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

🚫 **Public Exp?**: No PoCs listed in data. 📝 **References**: GitHub repo and Packagist links provided. ⏳ **Status**: Theoretical risk until PoC emerges, but CVSS is maxed out.

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

🔍 **Check**: Scan for `/payment/api/editable/update` endpoint. 📡 **Tool**: Use API scanners to test for injection flaws. 📂 **Code**: Review `ApiController.php` for input sanitization.

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

🔧 **Fix**: Upgrade to version > 2.2.24. 📢 **Official**: Patch info not explicitly dated, but newer versions exist. 🔄 **Action**: Check Packagist for latest release.

Q: What if no patch? (Workaround)

🛡️ **Workaround**: Block external access to `/payment/api/editable/update`. 🚧 **WAF**: Implement strict input filtering. 🚫 **Disable**: Temporarily disable the endpoint if possible.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: CRITICAL. 🚨 **Priority**: Immediate action required. CVSS 9.8 indicates severe threat. 🏃 **Speed**: Patch or mitigate NOW to prevent RCE.

Updated May 06, 2026 CVSS 9.8 · 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**: Critical RCE in Uzbekistan's national payment system solution. 📉 **Consequences**: Full system compromise, data theft, and service disruption. The `/payment/api/editable/update` endpoint is the weak link.

Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: CWE-284 (Improper Access Control). ⚠️ **Flaw**: The API endpoint lacks proper validation, allowing unauthorized execution of arbitrary code.

Q3Who is affected? (Versions/Components)

🎯 **Affected**: `goodoneuz/pay-uz` product. 📦 **Versions**: 2.2.24 and earlier. 👤 **Vendor**: Shaxzodbek Qambaraliyev (Personal Developer).

Q4What can hackers do? (Privileges/Data)

💀 **Hacker Power**: Remote Code Execution (RCE). 🔓 **Privileges**: Unrestricted access (CVSS: AV:N, AC:L, PR:N). 📊 **Impact**: High Confidentiality, Integrity, and Availability loss.

Q5Is exploitation threshold high? (Auth/Config)

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

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

🚫 **Public Exp?**: No PoCs listed in data. 📝 **References**: GitHub repo and Packagist links provided. ⏳ **Status**: Theoretical risk until PoC emerges, but CVSS is maxed out.

Q7How to self-check? (Features/Scanning)

🔍 **Check**: Scan for `/payment/api/editable/update` endpoint. 📡 **Tool**: Use API scanners to test for injection flaws. 📂 **Code**: Review `ApiController.php` for input sanitization.

Q8Is it fixed officially? (Patch/Mitigation)

🔧 **Fix**: Upgrade to version > 2.2.24. 📢 **Official**: Patch info not explicitly dated, but newer versions exist. 🔄 **Action**: Check Packagist for latest release.

Q9What if no patch? (Workaround)

🛡️ **Workaround**: Block external access to `/payment/api/editable/update`. 🚧 **WAF**: Implement strict input filtering. 🚫 **Disable**: Temporarily disable the endpoint if possible.

Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: CRITICAL. 🚨 **Priority**: Immediate action required. CVSS 9.8 indicates severe threat. 🏃 **Speed**: Patch or mitigate NOW to prevent RCE.

Continue exploring

Vulnerability detail Full AI analysis (login) goodoneuz CWE-284