{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-61897",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-26T19:43:37.600246Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-26T19:50:49.398Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageName": "accountsservice",
          "platforms": [
            "Ubuntu 14.04 LTS",
            "Ubuntu 16.04 LTS",
            "Ubuntu 18.04 LTS",
            "Ubuntu 20.04 LTS",
            "Ubuntu 22.04 LTS",
            "Ubuntu 24.04 LTS",
            "Ubuntu 26.04 LTS",
            "Ubuntu 26.10"
          ],
          "product": "accountsservice",
          "vendor": "Canonical",
          "versions": [
            {
              "lessThan": "22.07.5-2ubuntu1.6",
              "status": "affected",
              "version": "22.07.5-2ubuntu1",
              "versionType": "dpkg"
            },
            {
              "lessThan": "23.13.9-2ubuntu6.1",
              "status": "affected",
              "version": "23.13.9-2ubuntu6",
              "versionType": "dpkg"
            },
            {
              "lessThan": "23.13.9-8ubuntu5.2",
              "status": "affected",
              "version": "23.13.9-8ubuntu5",
              "versionType": "dpkg"
            },
            {
              "lessThan": "23.13.9-8ubuntu7",
              "status": "affected",
              "version": "23.13.9-8ubuntu6",
              "versionType": "dpkg"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Deutsche Telekom Security GmbH Red Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An Ubuntu-specific patch to AccountsService before 23.13.9-8ubuntu7 only partially drops privileges before launching language helper scripts. It changes the effective UID/GID to the target user but leaves the real UID as 0 (root). A shell spawned by a helper script inherits ruid=0 and may reset its effective UID to root, enabling local privilege escalation."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-273",
              "description": "CWE-273: Improper Check for Dropped Privileges",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-20T14:32:53.827Z",
        "orgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
        "shortName": "canonical"
      },
      "references": [
        {
          "name": "Launchpad Bug #2157985",
          "tags": [
            "issue-tracking"
          ],
          "url": "https://bugs.launchpad.net/ubuntu/+source/accountsservice/+bug/2157985"
        },
        {
          "name": "Ubuntu CVE Tracker",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://ubuntu.com/security/CVE-2026-61897"
        }
      ],
      "title": "accountsservice: incomplete privilege drop when running Ubuntu-specific language helper scripts"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
    "assignerShortName": "canonical",
    "cveId": "CVE-2026-61897",
    "datePublished": "2026-08-20T14:32:53.827Z",
    "dateReserved": "2026-07-11T18:43:51.251Z",
    "dateUpdated": "2026-08-26T19:50:49.398Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-61897\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-08-26T19:43:37.600246Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-08-26T19:50:43.428Z\"}}], \"cna\": {\"title\": \"accountsservice: incomplete privilege drop when running Ubuntu-specific language helper scripts\", \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Deutsche Telekom Security GmbH Red Team\"}], \"metrics\": [{\"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 7.8, \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\"}}], \"affected\": [{\"vendor\": \"Canonical\", \"product\": \"accountsservice\", \"versions\": [{\"status\": \"affected\", \"version\": \"22.07.5-2ubuntu1\", \"lessThan\": \"22.07.5-2ubuntu1.6\", \"versionType\": \"dpkg\"}, {\"status\": \"affected\", \"version\": \"23.13.9-2ubuntu6\", \"lessThan\": \"23.13.9-2ubuntu6.1\", \"versionType\": \"dpkg\"}, {\"status\": \"affected\", \"version\": \"23.13.9-8ubuntu5\", \"lessThan\": \"23.13.9-8ubuntu5.2\", \"versionType\": \"dpkg\"}, {\"status\": \"affected\", \"version\": \"23.13.9-8ubuntu6\", \"lessThan\": \"23.13.9-8ubuntu7\", \"versionType\": \"dpkg\"}], \"platforms\": [\"Ubuntu 14.04 LTS\", \"Ubuntu 16.04 LTS\", \"Ubuntu 18.04 LTS\", \"Ubuntu 20.04 LTS\", \"Ubuntu 22.04 LTS\", \"Ubuntu 24.04 LTS\", \"Ubuntu 26.04 LTS\", \"Ubuntu 26.10\"], \"packageName\": \"accountsservice\", \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://bugs.launchpad.net/ubuntu/+source/accountsservice/+bug/2157985\", \"name\": \"Launchpad Bug #2157985\", \"tags\": [\"issue-tracking\"]}, {\"url\": \"https://ubuntu.com/security/CVE-2026-61897\", \"name\": \"Ubuntu CVE Tracker\", \"tags\": [\"vendor-advisory\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"An Ubuntu-specific patch to AccountsService before 23.13.9-8ubuntu7 only partially drops privileges before launching language helper scripts. It changes the effective UID/GID to the target user but leaves the real UID as 0 (root). A shell spawned by a helper script inherits ruid=0 and may reset its effective UID to root, enabling local privilege escalation.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-273\", \"description\": \"CWE-273: Improper Check for Dropped Privileges\"}]}], \"providerMetadata\": {\"orgId\": \"cc1ad9ee-3454-478d-9317-d3e869d708bc\", \"shortName\": \"canonical\", \"dateUpdated\": \"2026-08-20T14:32:53.827Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-61897\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-26T19:50:49.398Z\", \"dateReserved\": \"2026-07-11T18:43:51.251Z\", \"assignerOrgId\": \"cc1ad9ee-3454-478d-9317-d3e869d708bc\", \"datePublished\": \"2026-08-20T14:32:53.827Z\", \"assignerShortName\": \"canonical\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}