{"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"}}]}}