How severe is CVE-2026-6948?

CVE-2026-6948 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-6948 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-6948?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-6948 have an EU (EUVD) identifier?

Yes. CVE-2026-6948 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26850.

When was CVE-2026-6948 published?

CVE-2026-6948 was published on 2026-05-04 and last updated on 2026-06-17.

CVE-2026-6948

CVE-2026-6948 is a medium-severity vulnerability with a CVSS 3.x base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-770.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-26850
Weakness: CWE-770
Published: 2026-05-04
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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 crafted messages through the normal client communication channel.
How severe is CVE-2026-6948?: CVE-2026-6948 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-6948 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-6948?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-6948 have an EU (EUVD) identifier?: Yes. CVE-2026-6948 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26850.
When was CVE-2026-6948 published?: CVE-2026-6948 was published on 2026-05-04 and last updated on 2026-06-17.

References

https://docs.velociraptor.app/announcements/advisories/cve-2026-6948/

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