{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "2.34.0"
                  },
                  {
                    "fixed": "2.34.2"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              },
              {
                "range": [
                  {
                    "introduced": "2.33.0"
                  },
                  {
                    "fixed": "2.33.8"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              },
              {
                "range": [
                  {
                    "introduced": "2.30.0"
                  },
                  {
                    "fixed": "2.32.7"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              },
              {
                "range": [
                  {
                    "introduced": "0"
                  },
                  {
                    "fixed": "2.29.17"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          },
          "events": [
            {
              "introduced": "3006da5ef7a9c27755aa5b2f3f5f05d2c8971a58"
            },
            {
              "fixed": "d7774e5c4ca222ee89a8b6aa82b61c1f8bb81d1f"
            },
            {
              "introduced": "f009c17217e6bad9a61ba511d23735bc1ce94da0"
            },
            {
              "fixed": "f9486be96df392b017941ff6a6bd43a629adc86c"
            },
            {
              "introduced": "43e67d12e278e13399cffc77f132e8e628339477"
            },
            {
              "fixed": "0374b00b63bc5043a507194f284ef298e0ea3b52"
            },
            {
              "introduced": "0"
            },
            {
              "fixed": "77253bfc55665027a374a5d2fb70f4ff74410326"
            }
          ],
          "repo": "https://github.com/coder/coder",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-8fxq-53rx-ph5f"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-203"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111933.json"
  },
  "details": "Coder before 2.29.17, 2.30.0 before 2.32.7, 2.33.0 before 2.33.8, and 2.34.0 before 2.34.2 contains a user enumeration vulnerability because userpassword.Compare() substitutes a placeholder hash derived from the string \"hunter2\" when a stored password hash is empty. Unauthenticated attackers can submit logins with the password \"hunter2\" and distinguish HTTP 403 from 401 responses to enumerate valid accounts and reveal the authentication provider of SSO-only users.",
  "id": "CVE-2026-111933",
  "modified": "2026-10-26T02:30:36.253877543Z",
  "published": "2026-10-17T18:46:43.456Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111933.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/coder/coder/security/advisories/GHSA-8fxq-53rx-ph5f"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-111933"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/coder-before-2.34.2-user-enumeration-via-login-placeholder-hash"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Coder before 2.34.2 User Enumeration via Login Placeholder Hash"
}