{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "6.0.41"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "0a674ad2fa8c61c889e708437432cfb1473c74cf"
            }
          ],
          "repo": "https://github.com/centuran/otrs-community-edition",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-78"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53804.json"
  },
  "details": "OTRS Community Edition contains an authenticated OS command injection vulnerability in the PGP encryption module that allows administrators to execute arbitrary operating-system commands by supplying crafted values for the PGP binary path and command options. Administrator-supplied configuration values are concatenated without sanitization into a shell command, enabling arbitrary command execution as the web server process user during normal ticket operations after the malicious configuration is deployed.",
  "id": "CVE-2026-53804",
  "modified": "2026-08-23T03:42:55.488632489Z",
  "published": "2026-08-20T21:13:24.493Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53804.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53804"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/otrs-community-edition-os-command-injection-via-pgp-configuration"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/Centuran/OTRS-Community-Edition"
    },
    {
      "type": "EVIDENCE",
      "url": "https://h00die-gr3y.github.io/research/cve-2026-53804/"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "OTRS Community Edition OS Command Injection via PGP Configuration"
}