CVE-2026-6022 — AI Deep Analysis Summary

Updated May 09, 2026 CVSS 7.5 · High

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)

- **CVE-2026-6022**: Resource mgmt flaw in **Progress Telerik UI for AJAX** 🚨  
- Affects **RadAsyncUpload** component.  
- Missing size enforcement during chunk reassembly.  
- ⚠️ Upload > max config size possible.…

Read full answer (login)

Q2Root Cause? (CWE/Flaw)

- **Root Cause**: Missing cumulative size check in upload process.  
- Related to **CWE-400**: Uncontrolled Resource Consumption.  
- Flaw: No enforced limit while merging chunks 🧩.

Q3Who is affected? (Versions/Components)

- **Affected**: Progress Telerik UI for AJAX < **2026.1.421**.  
- Component: **RadAsyncUpload**.  
- 🎯 Web apps using vulnerable version.

Q4What can hackers do? (Privileges/Data)

- **Hackers**: No need for auth 🛑.  
- Can force large uploads → fill disk.  
- 📉 Impact: **Availability** only (C:N / I:N / A:H).  
- No direct data access or privilege gain.

Q5Is exploitation threshold high? (Auth/Config)

- **Exploitation Threshold**: VERY LOW ✅.  
- 🔓 **No authentication** needed (PR:N).  
- 🌐 Network accessible (AV:N).  
- Simple config: just trigger upload.

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

- **Public Exploit**: ❌ None found.  
- **PoC**: Not available (`"pocs": []`).  
- 🕵️ No wild exploitation confirmed yet.

Q7How to self-check? (Features/Scanning)

- **Self-Check**:  
  - Identify if app uses **RadAsyncUpload**.  
  - Check Telerik UI version < 2026.1.421 🔍.  
  - Review upload size limits & chunk handling logic.  
  - Monitor disk usage spikes after uploads 💡.

Q8Is it fixed officially? (Patch/Mitigation)

- **Official Fix**: ✅ Yes.  
- Patched in version **2026.1.421**.…

Read full answer (login)

Q9What if no patch? (Workaround)

- **If No Patch**:  
  - Enforce strict file size limits at server side 🚨.  
  - Disable or replace **RadAsyncUpload** if unused.  
  - Add custom checks during chunk reassembly 💡.…

Read full answer (login)

Q10Is it urgent? (Priority Suggestion)

- **Urgency**: 🔥 HIGH PRIORITY.  
- Easy to exploit (no auth).  
- Can cause full disk → service outage.  
- 📢 Patch ASAP or apply mitigations!

Continue exploring

Vulnerability detail Full AI analysis (login) Progress Software CWE-400