Security advisory

{
  "id": "988aee2f947bce6e063e3d32a4adb9c961c150845c3ae7fb1f12e4c1797737b5",
  "url": "https://osv.dev/vulnerability/CVE-2018-16859",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-16859",
    "summary": "Execution of Ansible playbooks on Windows platforms with PowerShell ScriptBlock logging and Module logging enabled can allow for 'become' passwords to appear in EventLogs in plaintext. A local user with administrator privileges on the machine can view these logs and discover the plaintext password. Ansible Engine 2.8 and older are believed to be vulnerable.",
    "evidence": "osv:CVE-2018-16859",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-16859",
      "aliases": [
        "CVE-2018-16859",
        "GHSA-v735-2pp6-h86r",
        "PYSEC-2018-60"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/ansible/ansible",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "ceae26e5e9b73575a8a397101617b11a5c2ce7d5"
                },
                {
                  "introduced": "8ce3bd6deaa0a0274a921c0137cbd804ffc312d0"
                },
                {
                  "fixed": "e459665d3bad1603fa6cc52ad412df7871809c37"
                },
                {
                  "introduced": "0a07068054090d5b78b27496aa251be74c484b45"
                },
                {
                  "fixed": "81879e97925921da225e0fd6010516f765d18d86"
                },
                {
                  "introduced": "a771ed93ab09691e53184c809d88a0f1073ef82d"
                },
                {
                  "last_affected": "2611867fd1dc387ceaa0ffb8ce0f030aafc2a859"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:redhat:ansible_engine:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.5.13"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:redhat:ansible_engine:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.6.0"
                      },
                      {
                        "fixed": "2.6.10"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:redhat:ansible_engine:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.7.0"
                      },
                      {
                        "fixed": "2.7.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:redhat:ansible_engine:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.7.5"
                      },
                      {
                        "last_affected": "2.8"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2.8.0",
            "v2.8.0rc3",
            "v2.8.0rc2",
            "v2.8.0rc1",
            "v2.8.0b1",
            "v2.8.0a1",
            "v2.5.12",
            "v2.7.3",
            "v2.6.9",
            "v2.6.8",
            "v2.7.2",
            "v2.5.11",
            "v2.6.7",
            "v2.7.1",
            "v2.6.6",
            "v2.7.0",
            "v2.5.10",
            "v2.6.5",
            "v2.5.9",
            "v2.6.4",
            "v2.7.0.a1",
            "v2.5.8",
            "v2.6.3",
            "v2.5.7",
            "v2.6.2",
            "v2.5.6",
            "v2.6.1",
            "v2.6.0",
            "v2.5.5",
            "v2.5.4",
            "v2.6.0a1",
            "v2.5.3",
            "v2.5.2",
            "v2.5.1",
            "v2.5.0",
            "v2.5.0rc3",
            "v2.5.0rc2",
            "v2.5.0rc1",
            "v2.5.0b2",
            "v2.5.0b1",
            "v2.0.0-0.5.beta3",
            "v2.0.0-0.4.beta2",
            "v2.0.0-0.3.beta1",
            "v2.0.0-0.2.alpha2",
            "v2.0.0-0.1.alpha1",
            "v1.6.0",
            "v1.4.0",
            "v1.2",
            "v1.1",
            "v1.0",
            "0.7",
            "0.3",
            "0.0.1",
            "0.01"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-16859.json"
          }
        }
      ],
      "modified": "2026-10-20T10:49:52.325083623Z",
      "provider": "osv",
      "references": [
        "https://access.redhat.com/errata/RHSA-2018:3770",
        "https://access.redhat.com/errata/RHSA-2018:3771",
        "https://access.redhat.com/errata/RHSA-2018:3773",
        "https://access.redhat.com/errata/RHSA-2018:3772",
        "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16859",
        "https://github.com/ansible/ansible/pull/49142"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-16859",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 380897,
  "published_at": "2018-11-29T18:29:00.537+00:00"
}