{"id":"CVE-2026-39937","aliases":["EUVD-2026-19984","GHSA-86vf-rp56-mhf8"],"status":"published","title":"Global vanishing does not completely remove user email","description":"Improper removal of sensitive information before storage or transfer vulnerability in The Wikimedia Foundation Mediawiki - CentralAuth Extension allows Resource Leak Exposure. The issue has been remediated on the `master` branch, and in the release branches for MediaWiki versions 1.43, 1.44, and 1.45.","severity":{"version":"4.0","score":8.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/SA:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00273,"percentile":0.19883,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-212"],"published":"2026-04-07T21:44:46Z","modified":"2026-07-21T19:10:00Z","products":[{"vendor":"the wikimedia foundation","product":"mediawiki - centralauth extension"}],"references":[{"url":"https://phabricator.wikimedia.org/T418122"},{"url":"https://gerrit.wikimedia.org/r/q/I0b72427fa329aee85841a2cb23dec3058edce85e"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-39937"},{"url":"https://github.com/advisories/GHSA-86vf-rp56-mhf8"}],"sources":{"cve":[{"id":"CVE-2026-39937","title":"Global vanishing does not completely remove user email","description":"Improper removal of sensitive information before storage or transfer vulnerability in The Wikimedia Foundation Mediawiki - CentralAuth Extension allows Resource Leak Exposure. The issue has been remediated on the `master` branch, and in the release branches for MediaWiki versions 1.43, 1.44, and 1.45.","status":"published","published":"2026-04-07T21:44:46.515Z","modified":"2026-04-08T21:58:19.9Z","cvss":[{"version":"4.0","score":8.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/SA:L","level":"high","assessor":"cna"}],"cwes":["CWE-212"],"updated_at":"2026-11-02T14:20:02.290587Z"}],"euvd":[{"id":"EUVD-2026-19984","description":"Improper removal of sensitive information before storage or transfer vulnerability in The Wikimedia Foundation Mediawiki - CentralAuth Extension allows Resource Leak Exposure. The issue has been remediated on the `master` branch, and in the release branches for MediaWiki versions 1.43, 1.44, and 1.45.","status":"published","published":"2026-04-07T21:44:46Z","modified":"2026-04-08T21:58:19Z","cvss":[{"version":"4.0","score":8.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/SA:L","level":"high"}],"updated_at":"2026-11-02T19:24:31.230458Z"}],"ghsa":[{"id":"GHSA-86vf-rp56-mhf8","title":"Improper removal of sensitive information before storage or transfer vulnerability in The...","description":"Improper removal of sensitive information before storage or transfer vulnerability in The Wikimedia Foundation Mediawiki - CentralAuth Extension allows Resource Leak Exposure.This issue affects non release branches.","status":"published","published":"2026-04-08T00:30:26Z","modified":"2026-04-08T00:30:32Z","cvss":[{"version":"4.0","score":8.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"cwes":["CWE-212"],"updated_at":"2026-11-02T15:07:11.605224Z"}],"nvd":[{"id":"CVE-2026-39937","description":"Improper removal of sensitive information before storage or transfer vulnerability in The Wikimedia Foundation Mediawiki - CentralAuth Extension allows Resource Leak Exposure. The issue has been remediated on the `master` branch, and in the release branches for MediaWiki versions 1.43, 1.44, and 1.45.","status":"published","published":"2026-04-07T22:16:24.283Z","modified":"2026-07-21T19:10:00.107Z","cvss":[{"version":"4.0","score":8.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"}],"cwes":["CWE-212"],"updated_at":"2026-11-02T14:12:13.535987Z"}]}}