CVE-2026-64951
Velociraptor DoS triggered by Divide by Zero panic
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Velociraptor DoS triggered by Divide by Zero panic
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.
- Record
CVE-2026-64951- CVSS 3.1
- 3.5 Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L - Weakness
- CWE-369
- Updated
- 2026-11-02
EUVDEUVD-2026-57160
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.
- Record
EUVD-2026-57160- CVSS 3.1
- 3.5 Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-frg5-mq2m-h39j
A rogue Velociraptor client can upload a malformed sparse file such that if the GUI attempts to...
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.
- Record
GHSA-frg5-mq2m-h39j- CVSS 3.1
- 3.5 Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L - Weakness
- CWE-369
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-64951- CVSS 3.1
- 3.5 Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L - Weakness
- CWE-369
- Updated
- 2026-11-02
OSV
Velociraptor DoS triggered by Divide by Zero panic
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.
- Record
CVE-2026-64951- CVSS 3.1
- 3.5 Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L - Weakness
- CWE-369
- Updated
- 2026-11-02
OSVopenSUSE-SU-2026:12070-1 No score
velociraptor-0.76.7.0.git145.b60ef1146-1.1 on GA media
These are all security issues fixed in the velociraptor-0.76.7.0.git145.b60ef1146-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2026:12070-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
velociraptoropenSUSE:Tumbleweed From an advisory covering 40 CVEs |
before 0.76.7.0.git145.b60ef1146-1.1 | 0.76.7.0.git145.b60ef1146-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-64951 is a low vulnerability (CVSS 3.5) in Rapid7 Velociraptor, published August 12, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.28%, the 20th percentile. No source names a fixed version.
References
docs.velociraptor.app/announcements/advisories/cve-2026-64951
nvd.nist.gov/vuln/detail/CVE-2026-64951
github.com/advisories/GHSA-frg5-mq2m-h39j
suse.com/security/cve/CVE-2025-0914
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