CVE-2026-6948
Unbounded Memory Allocation in VQLResponse Result-Set Writer
02 Description
Unbounded Memory Allocation in VQLResponse Result-Set Writer
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.34% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 27.6% of scored records. A rank, not a probability.
- NVD base score
- 4.9 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-10-25.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-05-03 23:55Z5 MO AGO
- Last updated
- 2026-06-19 12:45Z4 MO AGO
- Reserved
- 2026-04-24
- Assigning CNA
- rapid7
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 4.9)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-770Allocation of Resources Without Limits or ThrottlingBase
- Data version
- 5.2
- Document digest
- aec3cc9cdd005d93bbeec25cd87a55ba8fcdeea8db05620863899cfc5fa0bbcc
05 Affected products
06 References
- docs.velociraptor.apphttps://docs.velociraptor.app/announcements/advisories/cve-2026-6948/
07 Remediation
To remediate, you will need to upgrade your server https://www.velociraptor-docs.org/docs/deployment/server/upgrades/#upgrading-a-server-in-place-upgrade to the latest version of your release: * For 0.76 releases, upgrade immediately to v0.76.4 https://github.com/Velocidex/velociraptor/releases/download/v0.76/velociraptor-v0.76.4-linux-amd64 * For 0.75 releases, upgrade immediately to v0.75.9 https://github.com/Velocidex/velociraptor/releases/download/v0.75/velociraptor-v0.75.9-linux-amd64