{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-23938",
        "assignerOrgId": "72de3e22-0555-4a0d-ae81-9249e0f0a1e8",
        "state": "PUBLISHED",
        "assignerShortName": "Zabbix",
        "dateReserved": "2026-01-19T14:03:13.686Z",
        "datePublished": "2026-08-18T12:20:52.173Z",
        "dateUpdated": "2026-08-18T13:34:38.081Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "72de3e22-0555-4a0d-ae81-9249e0f0a1e8",
                "shortName": "Zabbix",
                "dateUpdated": "2026-08-18T12:20:52.173Z"
            },
            "title": "Server DoS via JavaScript preprocessing or script items",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-248",
                            "description": "CWE-248: Uncaught Exception",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-153",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-153: Input Data Manipulation"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "Zabbix",
                    "product": "Zabbix",
                    "repo": "https://git.zabbix.com/",
                    "modules": [
                        "Server",
                        "Proxy"
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "6.0.0",
                            "lessThanOrEqual": "6.0.46",
                            "changes": [
                                {
                                    "at": "6.0.47",
                                    "status": "unaffected"
                                }
                            ],
                            "versionType": "git"
                        },
                        {
                            "status": "affected",
                            "version": "7.0.0",
                            "lessThanOrEqual": "7.0.26",
                            "changes": [
                                {
                                    "at": "7.0.27",
                                    "status": "unaffected"
                                }
                            ],
                            "versionType": "git"
                        },
                        {
                            "status": "affected",
                            "version": "7.4.0",
                            "lessThanOrEqual": "7.4.10",
                            "changes": [
                                {
                                    "at": "7.4.11",
                                    "status": "unaffected"
                                }
                            ],
                            "versionType": "git"
                        }
                    ],
                    "defaultStatus": "unknown"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "An authenticated administrator is able to crash Zabbix server or proxy by creating specifically crafted preprocessing/script item JavaScript scripts, leading to potential denial of service.",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "<p>An authenticated administrator is able to crash Zabbix server or proxy by creating specifically crafted preprocessing/script item JavaScript scripts, leading to potential denial of service.</p>"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://support.zabbix.com/browse/ZBX-28075"
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV4_0": {
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "PRESENT",
                        "privilegesRequired": "HIGH",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "LOW",
                        "subAvailabilityImpact": "NONE",
                        "exploitMaturity": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "valueDensity": "NOT_DEFINED",
                        "vulnerabilityResponseEffort": "NOT_DEFINED",
                        "providerUrgency": "NOT_DEFINED",
                        "version": "4.0",
                        "baseSeverity": "LOW",
                        "baseScore": 2.1,
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"
                    }
                }
            ],
            "configurations": [
                {
                    "lang": "en",
                    "value": "An attacker would need access to a regular (non-super) admin account.",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "<p>An attacker would need access to a regular (non-super) admin account.</p>"
                        }
                    ]
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "value": "Update the affected components to their respective fixed versions.",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "<p>Update the affected components to their respective fixed versions.</p>"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Zabbix wants to thank mjlx for submitting this report on the HackerOne bug bounty platform.",
                    "type": "reporter"
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "x_generator": {
                "engine": "Vulnogram 1.0.4"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-08-18T12:50:54.884470Z",
                                "id": "CVE-2026-23938",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-08-18T13:34:38.081Z"
                }
            }
        ]
    }
}