Vulnerability-Lookup

GHSA-9Q45-6CC2-4QJV

Vulnerability from github – Published: 2026-10-05 18:34 – Updated: 2026-10-05 18:34

Details

The Windows.Sysinternals.SysmonLogForward is a monitoring artifact used to forward sysmon events to the server. The artifact allows the user to specify an arbitrary binary path as a parameter, and did not enforce an additional required permission, allowing users with COLLECT_CLIENT permissions (normally given by the "Investigator" role) to collect it from endpoints and run a different binary program than the installed sysmon binary. To successfully exploit this vulnerability the user must already have access to collect artifacts from the endpoint (i.e. have the COLLECT_CLIENT given typically by the "Investigator" role).

Severity

5.5 (Medium)


                  
                    CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L

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{
  "affected": [],
  "aliases": [
    "CVE-2026-78413"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-276"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-10-05T18:17:37Z",
    "severity": "MODERATE"
  },
  "details": "Velociraptor allows collection of VQL queries packaged into Artifacts from endpoints. These artifacts can be used to do anything and usually run with elevated permissions. To limit access to some dangerous artifact, Velociraptor allows for those to require high permissions like EXECVE to launch.\n\nThe\u00a0`Windows.Sysinternals.SysmonLogForward` is a monitoring artifact used to forward sysmon events to the server. The artifact allows the user to specify an arbitrary binary path as a parameter, and\u00a0did not enforce an additional required permission, allowing users with COLLECT_CLIENT permissions (normally given by the \"Investigator\" role) to collect it from endpoints and run a different binary program than the installed sysmon binary.\nTo successfully exploit this vulnerability the user must already have access to collect artifacts from the endpoint (i.e. have the COLLECT_CLIENT given typically by the \"Investigator\" role).",
  "id": "GHSA-9q45-6cc2-4qjv",
  "modified": "2026-10-05T18:34:23Z",
  "published": "2026-10-05T18:34:23Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-78413"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Velocidex/velociraptor/commit/7906c82fad728010f2fe1d0555b99dbaba3ce88f"
    },
    {
      "type": "WEB",
      "url": "http://docs.velociraptor.app/announcements/advisories/cve-2026-78413"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-78413 (GCVE-0-2026-78413)

Vulnerability from cvelistv5 – Published: 2026-10-05 17:48 – Updated: 2026-10-05 19:07

Title

Velociraptor privilege escalation via SysmonLogForward client monitoring artifact

Summary

Velociraptor allows collection of VQL queries packaged into Artifacts from endpoints. These artifacts can be used to do anything and usually run with elevated permissions. To limit access to some dangerous artifact, Velociraptor allows for those to require high permissions like EXECVE to launch. The `Windows.Sysinternals.SysmonLogForward` is a monitoring artifact used to forward sysmon events to the server. The artifact allows the user to specify an arbitrary binary path as a parameter, and did not enforce an additional required permission, allowing users with COLLECT_CLIENT permissions (normally given by the "Investigator" role) to collect it from endpoints and run a different binary program than the installed sysmon binary. To successfully exploit this vulnerability the user must already have access to collect artifacts from the endpoint (i.e. have the COLLECT_CLIENT given typically by the "Investigator" role).

Severity

5.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-05 19:07 UTC

CWE

CWE-276 - Incorrect default permissions

Assigner

rapid7 mitre root Scorecard

References

2 references

URL	Tags
http://docs.velociraptor.app/announcements/adviso…
https://github.com/Velocidex/velociraptor/commit/…

Impacted products

1 product

Vendor	Product	Version
Rapid7	Velociraptor	Affected: 0 , < 0.77.3 (semver) cpe:2.3:a:rapid7:velociraptor:::linux:::::*

Date Public

2026-10-05 17:36

Credits

Yuval Miller Leon Kayaliev

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
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Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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GHSA-9Q45-6CC2-4QJV

CVE-2026-78413 (GCVE-0-2026-78413)

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