Velociraptor server crash via the SetPassword API
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-476.
Summary
Any authenticated Velociraptor user — including one holding only the readerrole — can terminate the entire server process with a single request, by calling SetPassword with a username that does not exist.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Velociraptor (Rapid7) Fixed in 0.77.2
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Rapid7 Velociraptor 0.77.2
9 records Highest priority Priority MEDIUM 1 MEDIUM, 8 LOW
Other records, highest priority first
- TI-2026-15506 Velociraptor authenticated identity-spoofing vulnerabilityPriority MEDIUM 43
- TI-2026-15438 Velociraptor incorrect Org deletion permissions checkPriority LOW 38
- TI-2026-15273 Velociraptor OIDC Authenticator susceptible to email spoofingPriority LOW 34
Timeline
- 2026-10-02 Threatist record created from CVE-2026-18638
- 2026-10-03 Alias added: GHSA-79v4-qf48-mh94
More Rapid7 vulnerabilities
- TI-2023-01233 Rapid7 InsightCloudSec resource.db() method access CVSS 3.1HIGH 8.8
- TI-2023-01231 Rapid7 InsightCloudSec getattr() method access CVSS 3.1HIGH 8.8
- TI-2023-01232 Rapid7 InsightCloudSec box object access CVSS 3.1HIGH 8.1
- TI-2024-00358 Rapid7 Minerva Armor Privilege Escalation CVSS 3.1HIGH 7.8
- TI-2024-02985 Rapid7 Insight Agent Sensitive Key Exposed To Local Users CVSS 3.1MEDIUM 6.8
- TI-2019-04008 Rapid7 Metasploit HTTP Handler Denial of Service CVSS 3.1HIGH 7.5
Sources
- CVE-2026-18638 · CVE Program
- CVE-2026-18638 · NVD
- FIRST EPSS
- GHSA-79v4-qf48-mh94 · GitHub Advisory Database · CC BY 4.0
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