FKIE_CVE-2026-40226

Vulnerability from fkie_nvd - Published: 2026-04-10 16:16 - Updated: 2026-04-17 22:02
Severity ?
6.4 (Medium) - CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
In nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file.
References
cve@mitre.orghttps://github.com/systemd/systemd/security/advisories/GHSA-9mj4-rrc3-gjcxVendor Advisory
Impacted products
Vendor Product Version
systemd_project systemd *
systemd_project systemd *
systemd_project systemd *
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{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "29AAD5A6-4198-4D58-9FBB-FE35AFADA909",
              "versionEndExcluding": "257.12",
              "versionStartIncluding": "233",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "CDEB656F-DF55-418A-A250-E414B7DFF975",
              "versionEndExcluding": "258.6",
              "versionStartIncluding": "258",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "2D35ABE2-6825-4820-96FA-37601DA85848",
              "versionEndExcluding": "259.4",
              "versionStartIncluding": "259",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file."
    }
  ],
  "id": "CVE-2026-40226",
  "lastModified": "2026-04-17T22:02:15.393",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.5,
        "impactScore": 5.9,
        "source": "cve@mitre.org",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-04-10T16:16:33.447",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://github.com/systemd/systemd/security/advisories/GHSA-9mj4-rrc3-gjcx"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-348"
        }
      ],
      "source": "cve@mitre.org",
      "type": "Primary"
    }
  ]
}


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