{"id":"CVE-2026-58036","state":"PUBLISHED","title":"Users API leaks whether privileged users have their user groups disabled for lack of 2FA","description":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki.\n\n This vulnerability is associated with program files includes/Api/ApiQueryAllUsers.Php, includes/Api/ApiQueryUsers.Php, includes/Permissions/PermissionManager.Php, includes/User/UserGroupManager.Php.","publishedAt":"2026-07-01T14:48:07.691Z","updatedAt":"2026-07-01T15:47:29.719Z","severity":{"score":2.1,"label":"Low","version":"4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","source":"wikimedia-foundation"},"assigner":"wikimedia-foundation","products":["Wikimedia Foundation MediaWiki"],"affected":[{"vendor":"Wikimedia Foundation","product":"MediaWiki","defaultStatus":"unaffected","versions":[{"version":"1.46.0-rc.0","status":"affected","lessThan":"1.46.0","versionType":"semver"}],"repo":"https://gerrit.wikimedia.org/g/mediawiki/core/+/refs/heads/master","programFiles":["includes/Api/ApiQueryAllUsers.php","includes/Api/ApiQueryUsers.php","includes/Permissions/PermissionManager.php","includes/User/UserGroupManager.php"]}],"references":["https://phabricator.wikimedia.org/T425406"],"weaknesses":["CWE-200"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/58xxx/CVE-2026-58036.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-58036","state":"PUBLISHED","datePublished":"2026-07-01T14:48:07.691Z","dateUpdated":"2026-07-01T15:47:29.719Z","assignerShortName":"wikimedia-foundation","assignerOrgId":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc","dateReserved":"2026-06-27T13:32:41.613Z"},"containers":{"cna":{"title":"Users API leaks whether privileged users have their user groups disabled for lack of 2FA","descriptions":[{"lang":"en","value":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki.\n\n This vulnerability is associated with program files includes/Api/ApiQueryAllUsers.Php, includes/Api/ApiQueryUsers.Php, includes/Permissions/PermissionManager.Php, includes/User/UserGroupManager.Php."}],"affected":[{"vendor":"Wikimedia Foundation","product":"MediaWiki","defaultStatus":"unaffected","versions":[{"version":"1.46.0-rc.0","status":"affected","lessThan":"1.46.0","versionType":"semver"}],"repo":"https://gerrit.wikimedia.org/g/mediawiki/core/+/refs/heads/master","programFiles":["includes/Api/ApiQueryAllUsers.php","includes/Api/ApiQueryUsers.php","includes/Permissions/PermissionManager.php","includes/User/UserGroupManager.php"]}],"references":[{"url":"https://phabricator.wikimedia.org/T425406"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"PASSIVE","vulnConfidentialityImpact":"LOW","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"LOW","baseScore":2.1,"vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-200","lang":"en","description":"CWE-200 Exposure of Sensitive Information to an Unauthorized Actor","type":"CWE"}]}],"providerMetadata":{"shortName":"wikimedia-foundation","orgId":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc","dateUpdated":"2026-07-01T14:48:07.691Z"},"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-01T15:47:22.376326Z","id":"CVE-2026-58036","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-01T15:47:29.719Z"}}]}}}