Vulnerability-Lookup

GHSA-GCXX-4QC7-CMMW

Vulnerability from github – Published: 2026-08-28 18:31 – Updated: 2026-08-29 00:30

Details

An OS command injection vulnerability in the killSessionSync function (lib/agent-runtime.ts) of 23blocks-OS ai-maestro v0.24.17 allows attackers to execute arbitrary commands via a crafted input.

Severity

9.8 (Critical)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-37751"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-78"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-28T16:17:46Z",
    "severity": "CRITICAL"
  },
  "details": "An OS command injection vulnerability in the killSessionSync function (lib/agent-runtime.ts) of 23blocks-OS ai-maestro v0.24.17 allows attackers to execute arbitrary commands via a crafted input.",
  "id": "GHSA-gcxx-4qc7-cmmw",
  "modified": "2026-08-29T00:30:57Z",
  "published": "2026-08-28T18:31:29Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/23blocks-OS/ai-maestro/security/advisories/GHSA-mf7j-vfrr-jmfh"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-37751"
    },
    {
      "type": "WEB",
      "url": "https://github.com/23blocks-OS/ai-maestro/commit/06d54f0687ad1fc5898a688a92f7e1f2df56c475"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rajukani100/CVE-research/tree/main/ai-maestro-rce-advisory"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-37751 (GCVE-0-2026-37751)

Vulnerability from cvelistv5 – Published: 2026-08-28 00:00 – Updated: 2026-08-28 20:02

Summary

An OS command injection vulnerability in the killSessionSync function (lib/agent-runtime.ts) of 23blocks-OS ai-maestro v0.24.17 allows attackers to execute arbitrary commands via a crafted input.

Severity

9.8 (Critical)


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

SSVC

Exploitation: poc Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-28 20:02 UTC

CWE

n/a
CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Assigner

mitre mitre root

References

3 references

URL	Tags
https://github.com/rajukani100/CVE-research/tree/…
https://github.com/23blocks-OS/ai-maestro/commit/…
https://github.com/23blocks-OS/ai-maestro/securit…

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-37751",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-28T20:02:05.560581Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-78",
                "description": "CWE-78 Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-28T20:02:53.696Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/rajukani100/CVE-research/tree/main/ai-maestro-rce-advisory"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An OS command injection vulnerability in the killSessionSync function (lib/agent-runtime.ts) of 23blocks-OS ai-maestro v0.24.17 allows attackers to execute arbitrary commands via a crafted input."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
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      "providerMetadata": {
        "dateUpdated": "2026-08-28T14:23:55.301Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/rajukani100/CVE-research/tree/main/ai-maestro-rce-advisory"
        },
        {
          "url": "https://github.com/23blocks-OS/ai-maestro/commit/06d54f0687ad1fc5898a688a92f7e1f2df56c475"
        },
        {
          "url": "https://github.com/23blocks-OS/ai-maestro/security/advisories/GHSA-mf7j-vfrr-jmfh"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2026-37751",
    "datePublished": "2026-08-28T00:00:00.000Z",
    "dateReserved": "2026-04-06T00:00:00.000Z",
    "dateUpdated": "2026-08-28T20:02:53.696Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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.

Detection rules are retrieved from Rulezet.

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.

Action not permitted

GHSA-GCXX-4QC7-CMMW

CVE-2026-37751 (GCVE-0-2026-37751)

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Sightings

Nomenclature