{
    "id": "CVE-2026-63077",
    "published": "2026-07-27 17:16:38",
    "last_modified": "2026-08-06 05:17:05",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-502",
    "description": "In JetBrains TeamCity before 2026.1.3, 2025.11.7 unauthenticated remote code execution was possible via the agent polling protocol",
    "epss_score": "0.09763",
    "epss_percentile": "0.95371",
    "kev": 1,
    "kev_due": "2026-08-08",
    "has_exploit": 0,
    "updated_at": "2026-09-26 18:44:00",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2026-08-08."
    },
    "products": [
        {
            "vendor": "jetbrains",
            "product": "teamcity"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2026-63077",
        "date_added": "2026-08-05",
        "due_date": "2026-08-08",
        "vendor": "JetBrains",
        "product": "TeamCity",
        "name": "JetBrains TeamCity Deserialization of Untrusted Data Vulnerability",
        "ransomware": 1
    },
    "exploits": [],
    "refs_list": [
        "https://www.jetbrains.com/privacy-security/issues-fixed/",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-63077"
    ]
}