A HIGH-severity vulnerability identified as CVE-2026-6022 has been published on April 22, 2026 with a CVSS base score of 7.5. This security advisory provides a detailed breakdown of the vulnerability, its potential impact, weakness classification, and actionable steps to protect your systems.
Vulnerability Details
CVE ID: CVE-2026-6022
Severity: HIGH
CVSS Score: 7.5
Published: April 22, 2026
Weakness (CWE): CWE-400
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Confidentiality Impact | None |
| Integrity Impact | None |
| Availability Impact | High |
Technical Description
In Progress® Telerik® UI for AJAX prior to 2026.1.421, RadAsyncUpload contains an uncontrolled resource consumption vulnerability that allows file uploads to exceed the configured maximum size due to missing cumulative size enforcement during chunk reassembly, leading to disk space exhaustion.
Potential Impact
If exploited, this high-severity vulnerability could allow an attacker to cause a denial of service. Organizations running affected software should treat this as a priority remediation item.
Recommended Action
No official patch is available yet. Until one is released:
- Monitor the official NVD page and vendor channels for patch announcements.
- Restrict access to the affected system or service where possible.
- Apply network-level mitigations such as firewall rules or WAF policies.
- Enable logging and alerting for anomalous activity related to this vulnerability.
- Review your incident response plan in case of active exploitation.
References
Related Security Advisories
- [HIGH] CVE-2026-6023 — CVSS 8.1 (April 22, 2026) — HIGH / CVSS 8.1
- [HIGH] CVE-2025-13826 — CVSS 8.2 (April 21, 2026) — HIGH / CVSS 8.2
- [HIGH] CVE-2026-39467 — CVSS 7.2 (April 21, 2026) — HIGH / CVSS 7.2
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