What’s Vulnerable › Vulnerabilities
CVE-2026-64951: Velociraptor DoS triggered by Divide by Zero panic
- Severity: low (CVSS 3.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-12 · updated 2026-10-24
- Weakness: CWE-369
Description
A rogue Velociraptor client can upload a malformed sparse file such that if the GUI attempts to expand the file, a panic occurs which may crash the server process. The problem is a Divide by Zero bug in the ShouldPadFile() function.
Affected products
- Rapid7 Velociraptor: before 0.77.2 — fixed in 0.77.2
How to fix
Upgrade to a fixed version: Rapid7 Velociraptor 0.77.2. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2026-64951 or the next vulnerability affects your stack