CVE-2026-8795

Arbitrary VQL execution via YAML template injection

Published Jun 9, 2026 · Updated Jun 9, 2026

YAML injection in Rapid7 Velociraptor before 0.76.6 allows attackers to execute arbitrary VQL via a crafted collection ZIP. Windows.Collectors.Remapping inserts the ZIP's client_info.json hostname into a double-quoted YAML template without escaping, so quotes and newlines can inject a mount remapping scope. Execution occurs only when an analyst generates and applies the remapping file with --remap to operate on an offline collection, and the injected VQL runs unsandboxed with all permissions.

CVSS severity7.8
High
EPSS probability0.15%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

YAML injection in Rapid7 Velociraptor before 0.76.6 allows attackers to execute arbitrary VQL via a crafted collection ZIP. Windows.Collectors.Remapping inserts the ZIP's client_info.json hostname into a double-quoted YAML template without escaping, so quotes and newlines can inject a mount remapping scope. Execution occurs only when an analyst generates and applies the remapping file with --remap to operate on an offline collection, and the injected VQL runs unsandboxed with all permissions.

The record

CVE
CVE-2026-8795
Published
Jun 9, 2026
Updated
Jun 9, 2026
Vendor
Rapid7
Product
Velociraptor
Classifications
CWE-94, CWE-74, CWE-116, CAPEC-549, T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 9, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 9, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <0.76.6

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Rapid7 · Velociraptorversion=0 <0.76.6

Published CVSS scores

7.8Rapid7CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-94Improper Control of Generation of Code ('Code Injection')
CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-116Improper Encoding or Escaping of Output
CAPEC-549Local Execution of Code
T1204.002User Execution: Malicious File

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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