{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-0668",
        "assignerOrgId": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
        "state": "PUBLISHED",
        "assignerShortName": "wikimedia-foundation",
        "dateReserved": "2026-01-07T16:34:59.342Z",
        "datePublished": "2026-01-07T17:36:19.258Z",
        "dateUpdated": "2026-01-07T19:17:41.764Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "product": "MediaWiki - VisualData Extension",
                    "repo": "https://gerrit.wikimedia.org/g/mediawiki/extensions/VisualData",
                    "vendor": "Wikimedia Foundation",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "1.45"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "finder",
                    "value": "Radman Siddiki"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "Inefficient Regular Expression Complexity vulnerability in Wikimedia Foundation MediaWiki - VisualData Extension allows Regular Expression Exponential Blowup.<p>This issue affects MediaWiki - VisualData Extension: 1.45.</p>"
                        }
                    ],
                    "value": "Inefficient Regular Expression Complexity vulnerability in Wikimedia Foundation MediaWiki - VisualData Extension allows Regular Expression Exponential Blowup.This issue affects MediaWiki - VisualData Extension: 1.45."
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-492",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-492 Regular Expression Exponential Blowup"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-1333",
                            "description": "CWE-1333 Inefficient Regular Expression Complexity",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
                "shortName": "wikimedia-foundation",
                "dateUpdated": "2026-01-07T17:36:19.258Z"
            },
            "references": [
                {
                    "url": "https://phabricator.wikimedia.org/T387008"
                },
                {
                    "url": "https://gerrit.wikimedia.org/r/q/Ie08d9a8ceb2c9a22a635cfc27964353f14072dbf"
                },
                {
                    "url": "https://gerrit.wikimedia.org/r/q/Ifbf9c2ade621226e14fe852f3217293772bf8bb8"
                },
                {
                    "url": "https://gerrit.wikimedia.org/r/q/I893a9fca694a2613e29e149dea2d76d7f06063e5"
                },
                {
                    "url": "https://gerrit.wikimedia.org/r/q/I4ff2737c9f0ba805267d1fc8296e7cff61241ee3"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "title": "VisualData extension: Regular Expression Denial of Service (ReDoS) via crafted user input",
            "x_generator": {
                "engine": "Vulnogram 0.5.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 5.3,
                            "attackVector": "NETWORK",
                            "baseSeverity": "MEDIUM",
                            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                            "integrityImpact": "NONE",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "LOW",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "NONE"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-01-07T19:17:04.191560Z",
                                "id": "CVE-2026-0668",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "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": "2026-01-07T19:17:41.764Z"
                }
            }
        ]
    }
}