CVE-2026-28525 — The Multipart Upload Parser In Mongoose_multipart.C That Denial of Service
CVE-2026-28525 — SWUpdate contains an integer underflow vulnerability in the multipart upload parser in mongoose_multipart.c that allows unauthenticated attackers to cause a denial of service by sending a crafted HTTP POST request to /upload with a malformed multipart boundary and controlled TCP str
What This Means For You
- If your environment is affected by CWE-125, CWE-191, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-28525 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
5 rules · 6 SIEM formats5 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
Web Application Exploitation Attempt — CVE-2026-28525
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-28525 | vulnerability | CVE-2026-28525 |
| CWE-125 | weakness | CWE-125 |
| CWE-191 | weakness | CWE-191 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | April 24, 2026 at 00:16 UTC |
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