{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-71439",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-08-06T16:28:51.183Z",
        "datePublished": "2026-08-06T20:01:04.423Z",
        "dateUpdated": "2026-08-07T17:09:23.203Z"
    },
    "containers": {
        "cna": {
            "title": "Mermaid radar diagrams are vulnerable to DoS",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-606",
                            "lang": "en",
                            "description": "CWE-606: Unchecked Input for Loop Condition",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-1322",
                            "lang": "en",
                            "description": "CWE-1322: Use of Blocking Code in Single-threaded, Non-blocking Context",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "userInteraction": "PASSIVE",
                        "vulnConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "LOW",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "subAvailabilityImpact": "LOW",
                        "baseScore": 5.3,
                        "baseSeverity": "MEDIUM",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L",
                        "version": "4.0"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/mermaid-js/mermaid/security/advisories/GHSA-rhh3-jpg6-66xh",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/mermaid-js/mermaid/security/advisories/GHSA-rhh3-jpg6-66xh"
                },
                {
                    "name": "https://github.com/mermaid-js/mermaid/pull/8022",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/mermaid-js/mermaid/pull/8022"
                },
                {
                    "name": "https://github.com/mermaid-js/mermaid/commit/59b22fad2b3bb04f87a476c84a8a2b24679e607e",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/mermaid-js/mermaid/commit/59b22fad2b3bb04f87a476c84a8a2b24679e607e"
                },
                {
                    "name": "https://github.com/mermaid-js/mermaid/releases/tag/mermaid%4011.16.1",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/mermaid-js/mermaid/releases/tag/mermaid%4011.16.1"
                }
            ],
            "affected": [
                {
                    "vendor": "mermaid-js",
                    "product": "mermaid",
                    "versions": [
                        {
                            "version": ">= 11.6.0, < 11.16.1",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-08-06T20:01:04.423Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Mermaid is a JavaScript tool that uses Markdown-inspired text to create and modify diagrams and charts. From version 11.6.0 until 11.16.1, Mermaid Radar Diagrams allow arbitrary large values for the ticks parameter, which can cause high CPU usage and freeze the rendering webpage or JavaScript process for long periods of time, potentially until the process is killed from memory exhaustion. This issue is fixed in version 11.16.1."
                }
            ],
            "source": {
                "advisory": "GHSA-rhh3-jpg6-66xh",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-08-07T15:26:10.690336Z",
                                "id": "CVE-2026-71439",
                                "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": "2026-08-07T17:09:23.203Z"
                }
            }
        ]
    }
}