{"action":"Upgrade mediawiki to 1:1.31.4-1 or later.","affected":[{"fixed":"1:1.31.4-1","introduced":"0"}],"component":"mediawiki","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:1.31.4-1"],"id":"tcs_01M5NDZK1EY137XG0RYH9Y5Y00","modified_at":"2026-09-21T07:01:36.855148727Z","published_at":"2019-09-26T02:15:10.833Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-16738","https://security-tracker.debian.org/tracker/CVE-2019-16738"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-16738#Debian:13/mediawiki","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-16738"}],"summary":"In MediaWiki through 1.33.0, Special:Redirect allows information disclosure of suppressed usernames via a User ID Lookup."}