What is CVE-2026-6948?

CVE-2026-6948 is a medium-severity vulnerability in Rapid7 Velociraptor, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 4.9/10. Published 2026-05-04.

How severe is CVE-2026-6948?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Resource exhaustion in Rapid7 Velociraptor

CVE-2026-6948

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 craft…

EPSS: 0.000 (4.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

Affected products

Rapid7 Velociraptor — versions 0

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

cve@rapid7.com

Frequently asked questions

What is CVE-2026-6948?: CVE-2026-6948 is a medium-severity vulnerability in Rapid7 Velociraptor, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 4.9/10. Published 2026-05-04.
How severe is CVE-2026-6948?: Medium severity. CVSS v3 base score is 4.9 out of 10.