{
  "id": "CVE-2026-77131",
  "url": "https://spydr.io/cve/CVE-2026-77131",
  "published": "2026-08-25T09:17:33.527Z",
  "modified": "2026-08-26T17:13:53.420Z",
  "score": 5.3,
  "severity": "medium",
  "cvss_version": "4.0",
  "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
  "score_source": "CNA",
  "epss": 0.00244,
  "epss_percentile": 0.14151,
  "exploited": false,
  "kev": null,
  "ssvc_exploitation": "none",
  "vendors": [
    "TYPO3"
  ],
  "products": [
    "TYPO3 Extension \"SYSSY - TYPO3 Monitoring & Security Checks\""
  ],
  "cwes": [
    "CWE-319"
  ],
  "description": "When OpenSSL is unavailable on the server, the extension transmits TYPO3 system information in cleartext instead of encrypting it. Exploitation requires the attacker to already be in control of the SYSSY project's API key.",
  "status": "Deferred",
  "score_type": "Secondary",
  "scores": {
    "cvss_v40": 5.3,
    "cvss_v31": null,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "https://typo3.org/security/advisory/typo3-ext-sa-2026-015",
      "tags": []
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-77131",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}
