{"id":"CVE-2026-58029","state":"PUBLISHED","title":"Full Account Takeover from BotPasswords and OAuth via action=changeauthenticationdata","description":"Vulnerability in Wikimedia Foundation MediaWiki.\n\n This vulnerability is associated with program files includes/Api/ApiChangeAuthenticationData.Php, includes/Api/ApiLinkAccount.Php, includes/Api/ApiRemoveAuthenticationData.Php, includes/Specials/SpecialLinkAccounts.Php, includes/Specials/SpecialUnlinkAccounts.Php.\n\n\n\nThis issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.","publishedAt":"2026-07-01T15:19:11.810Z","updatedAt":"2026-07-01T15:51:32.133Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","source":"wikimedia-foundation"},"assigner":"wikimedia-foundation","products":["Wikimedia Foundation MediaWiki"],"affected":[{"vendor":"Wikimedia Foundation","product":"MediaWiki","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected","lessThan":"1.46.0, 1.45.4, 1.44.6, 1.43.9","versionType":"1.46.0, 1.45.4, 1.44.6, 1.43.9"}],"repo":"https://gerrit.wikimedia.org/g/mediawiki/core/+/refs/heads/master","programFiles":["includes/Api/ApiChangeAuthenticationData.php","includes/Api/ApiLinkAccount.php","includes/Api/ApiRemoveAuthenticationData.php","includes/Specials/SpecialLinkAccounts.php","includes/Specials/SpecialUnlinkAccounts.php"]}],"references":["https://phabricator.wikimedia.org/T422676"],"weaknesses":["CWE-287"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/58xxx/CVE-2026-58029.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-58029","state":"PUBLISHED","datePublished":"2026-07-01T15:19:11.810Z","dateUpdated":"2026-07-01T15:51:32.133Z","assignerShortName":"wikimedia-foundation","assignerOrgId":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc","dateReserved":"2026-06-27T13:32:37.577Z"},"containers":{"cna":{"title":"Full Account Takeover from BotPasswords and OAuth via action=changeauthenticationdata","descriptions":[{"lang":"en","value":"Vulnerability in Wikimedia Foundation MediaWiki.\n\n This vulnerability is associated with program files includes/Api/ApiChangeAuthenticationData.Php, includes/Api/ApiLinkAccount.Php, includes/Api/ApiRemoveAuthenticationData.Php, includes/Specials/SpecialLinkAccounts.Php, includes/Specials/SpecialUnlinkAccounts.Php.\n\n\n\nThis issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9."}],"affected":[{"vendor":"Wikimedia Foundation","product":"MediaWiki","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected","lessThan":"1.46.0, 1.45.4, 1.44.6, 1.43.9","versionType":"1.46.0, 1.45.4, 1.44.6, 1.43.9"}],"repo":"https://gerrit.wikimedia.org/g/mediawiki/core/+/refs/heads/master","programFiles":["includes/Api/ApiChangeAuthenticationData.php","includes/Api/ApiLinkAccount.php","includes/Api/ApiRemoveAuthenticationData.php","includes/Specials/SpecialLinkAccounts.php","includes/Specials/SpecialUnlinkAccounts.php"]}],"references":[{"url":"https://phabricator.wikimedia.org/T422676"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"LOW","subConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","subIntegrityImpact":"LOW","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":"MEDIUM","baseScore":5.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N"}}],"providerMetadata":{"shortName":"wikimedia-foundation","orgId":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc","dateUpdated":"2026-07-01T15:19:11.810Z"},"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-01T15:51:12.379031Z","id":"CVE-2026-58029","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-287","type":"CWE","lang":"en","description":"CWE-287 Improper Authentication"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-01T15:51:32.133Z"}}]}}}