CVE-2026-64951: Rapid7 Velociraptor · Divide by Zero
Affects Rapid7 VelociraptorSource CVE Database V5
Not known to be exploited · CVSS 3.5 Low : upgrade to 0.77.2 when convenient.
Data as of 10 Nov 2026, 23:24 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 20% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 0.77.2
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:LExploitation evidence
Disclosed: evidence found.
CVE published 12 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 10 Nov 2026.
What to do
Upgrade Rapid7 Velociraptor to 0.77.2.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Rapid7Velociraptor | Affected
| Fixed in
|
GitHubVelociraptorpkg:github/VelociraptorOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Users should upgrade to Velociraptor version 0.77.2 or later once available to address this issue. Until then, monitoring and restricting uploads from untrusted clients may reduce risk.
Description
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.