FKIE_CVE-2026-19593

Vulnerability from fkie_nvd - Published: 2026-09-01 18:17 - Updated: 2026-10-15 17:17
Severity
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
OpenAI Codex Desktop for Windows and macOS automatically inspected Git metadata and working-tree status when a user opened a workspace. If the workspace contains a repository with preserved attacker-controlled .git/config, the attr.tree setting and a configured clean or process filter can cause Git to run an attacker-controlled program. The program runs outside Codex's command sandbox with the signed-in user's privileges, without a workspace-trust prompt, command approval, or interaction with a model. The attacker can read, modify, or delete files and access credentials available to that user. Exploitation requires Git to be available on PATH and the user to open the attacker-prepared repository with its local Git configuration intact. An ordinary Git clone does not copy the source repository's .git/config and is not sufficient by itself.
References
8f4f43ab-ba69-4d92-aa1d-d772184d6fb7https://www.zerodayinitiative.com/advisories/ZDI-26-651/
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "platforms": [
            "macOS"
          ],
          "product": "Codex Desktop",
          "vendor": "OpenAI",
          "versions": [
            {
              "lessThanOrEqual": "26.513.31313",
              "status": "affected",
              "version": "260202.0859",
              "versionType": "custom"
            },
            {
              "status": "unaffected",
              "version": "26.519.22136"
            }
          ]
        },
        {
          "platforms": [
            "Windows"
          ],
          "product": "Codex Desktop",
          "vendor": "OpenAI",
          "versions": [
            {
              "lessThanOrEqual": "26.513.40821",
              "status": "affected",
              "version": "26.304.38",
              "versionType": "custom"
            },
            {
              "status": "unaffected",
              "version": "26.519.21041"
            }
          ]
        },
        {
          "platforms": [
            "Windows"
          ],
          "product": "Codex Desktop (Microsoft Store package)",
          "vendor": "OpenAI",
          "versions": [
            {
              "lessThanOrEqual": "26.513.4821.0",
              "status": "affected",
              "version": "26.304.38.0",
              "versionType": "custom"
            },
            {
              "status": "unaffected",
              "version": "26.519.2081.0"
            }
          ]
        }
      ],
      "source": "8f4f43ab-ba69-4d92-aa1d-d772184d6fb7"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "OpenAI Codex Desktop for Windows and macOS automatically inspected Git metadata and working-tree status when a user opened a workspace. If the workspace contains a repository with preserved attacker-controlled .git/config, the attr.tree setting and a configured clean or process filter can cause Git to run an attacker-controlled program. The program runs outside Codex\u0027s command sandbox with the signed-in user\u0027s privileges, without a workspace-trust prompt, command approval, or interaction with a model. The attacker can read, modify, or delete files and access credentials available to that user. Exploitation requires Git to be available on PATH and the user to open the attacker-prepared repository with its local Git configuration intact. An ordinary Git clone does not copy the source repository\u0027s .git/config and is not sufficient by itself."
    }
  ],
  "id": "CVE-2026-19593",
  "lastModified": "2026-10-15T17:17:21.530",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "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"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-19593",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-02T17:19:21.924083Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-01T18:17:40.480",
  "references": [
    {
      "source": "8f4f43ab-ba69-4d92-aa1d-d772184d6fb7",
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-26-651/"
    }
  ],
  "sourceIdentifier": "8f4f43ab-ba69-4d92-aa1d-d772184d6fb7",
  "vulnStatus": "Undergoing Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-15"
        }
      ],
      "source": "8f4f43ab-ba69-4d92-aa1d-d772184d6fb7",
      "type": "Secondary"
    }
  ]
}



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