Nomad's exec2 task driver vulnerable to arbitrary file read/write on client host through symlink attack

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  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-8052",
    "assignerOrgId": "67fedba0-ff2e-4543-ba5b-aa93e87718cc",
    "assignerShortName": "HashiCorp",
    "dateUpdated": "2026-05-12T20:22:44.939Z",
    "dateReserved": "2026-05-06T18:39:30.181Z",
    "datePublished": "2026-05-12T19:09:15.248Z",
    "state": "PUBLISHED"
  },
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      "providerMetadata": {
        "orgId": "67fedba0-ff2e-4543-ba5b-aa93e87718cc",
        "shortName": "HashiCorp",
        "dateUpdated": "2026-05-12T19:09:15.248Z"
      },
      "title": "Nomad's exec2 task driver vulnerable to arbitrary file read/write on client host through symlink attack",
      "descriptions": [
        {
          "lang": "en",
          "value": "HashiCorp Nomad’s exec2 task driver prior to 0.1.2 is vulnerable to arbitrary file read and write on the client host as the Nomad process user through a symlink attack. This vulnerability (CVE-2026-8052) is fixed in version 0.1.2 of the exec2 task driver.",
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              "value": "<p>HashiCorp Nomad’s exec2 task driver prior to 0.1.2 is vulnerable to arbitrary file read and write on the client host as the Nomad process user through a symlink attack. This vulnerability (CVE-2026-8052) is fixed in version 0.1.2 of the exec2 task driver.</p><br/>"
            }
          ]
        }
      ],
      "affected": [
        {
          "vendor": "HashiCorp",
          "product": "Shared library",
          "platforms": [
            "64 bit",
            "32 bit",
            "x86",
            "ARM",
            "MacOS",
            "Windows",
            "Linux"
          ],
          "repo": "https://github.com/hashicorp/nomad-driver-exec2",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0.1.0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "0.1.2"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "CWE-59: Improper Link Resolution Before File Access (Link Following)",
              "cweId": "CWE-59",
              "type": "CWE"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://discuss.hashicorp.com/t/hcsec-2026-13-nomads-exec2-task-driver-vulnerable-to-arbitrary-file-read-write-on-client-host-through-symlink-attack/77415"
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-132",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-132: Symlink Attack"
            }
          ]
        }
      ],
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            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N",
            "baseScore": 6,
            "baseSeverity": "MEDIUM"
          }
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "This issue was identified by the Nomad engineering team in conjunction with Alex Manson (Aiven / NeuroWinter)."
        }
      ]
    },
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          "shortName": "CISA-ADP",
          "dateUpdated": "2026-05-12T20:22:44.939Z"
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        "title": "CISA ADP Vulnrichment",
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