Vulnerability · Published May 3, 2026 · Assigned by rapid7
CVE-2026-6948Unbounded Memory Allocation in VQLResponse Result-Set Writer
Medium 4.9
In plain English
A medium-severity resource allocation without limits in Velociraptor from Rapid7. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).
Severity (CVSS 3.1)4.9Medium
Exploit odds (30 days)0.3%top 71.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Velociraptor versions prior to 0.76.4 contain a resource exhaustion vulnerability in the server's agent control channel. This allows a compromised or rogue Velociraptor client to crash the server via out-of-memory (OOM) by sending crafted messages through the normal client communication channel.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Rapid7 | Velociraptor | 0 – before 0.76.40 – before 0.75.9 |
Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H