{"id":"CVE-2026-100242","title":"Dependency on Vulnerable Third-Party Component and Uncontrolled Resource Consumption vulnerability in Wikimedia Foundation Mediawiki - DataTransfer Extension allows Excessive Allocation.\n\nThis issue affects Mediawiki - DataTransfer Exten…","summary":"Dependency on Vulnerable Third-Party Component and Uncontrolled Resource Consumption vulnerability in Wikimedia Foundation Mediawiki - DataTransfer Extension allows Excessive Allocation.\n\nThis issue affects Mediawiki - DataTransfer Exten…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-400","CWE-1395"],"vendor":"Wikimedia Foundation","product":"Mediawiki - DataTransfer Extension","affected":["mediawiki_-_datatransfer_extension >= 1.46.0 < 1.47.0"],"published":"2026-09-29","updated":"2026-10-01","sourceUpdated":"2026-10-01T19:17:16.380","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-100242","references":[{"url":"https://gerrit.wikimedia.org/r/q/Ibc4a9070c2425b690bc767a882e4c35046a39be7","label":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"},{"url":"https://github.com/advisories/GHSA-xh5m-36r6-47m3","label":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"},{"url":"https://phabricator.wikimedia.org/T433275","label":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"},{"url":"https://github.com/advisories/GHSA-xh5m-36r6-47m3","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.00411,"epssPercentile":0.35214,"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-01T18:11:41.266497Z"},"ingestedAt":"2026-09-29T17:41:02.201Z","slug":"CVE-2026-100242","body":"## Overview\n\nDependency on Vulnerable Third-Party Component and Uncontrolled Resource Consumption vulnerability in Wikimedia Foundation Mediawiki - DataTransfer Extension allows Excessive Allocation.\n\nThis issue affects Mediawiki - DataTransfer Extension: from 1.46.0 before 1.47.0.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":53,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":214614,"id":"CVE-2026-100242","ts":1790881126354,"field":"exploit_available","old":"false","new":"true"},{"seq":214613,"id":"CVE-2026-100242","ts":1790881126354,"field":"cvss","old":null,"new":"7.5"},{"seq":214612,"id":"CVE-2026-100242","ts":1790881126354,"field":"severity","old":"none","new":"high"}]}