{ "canonical_id": "mediawiki--469c5db88b", "system_id": "mediawiki", "display_name": "MediaWiki", "category": "cms", "advisory_mode": "core", "title": "[MediaWiki-announce] Security and maintenance release: 1.43.7 / 1.44.4 / 1.45.2", "summary": "I would like to announce the release of MediaWiki 1.43.7, 1.44.4 and 1.45.2!\n\nThese releases serve as security and maintenance releases for these\nbranches.\n\nThey ended up a little later than expected in the day, due a last minute\naddition of the fix to Echo in T420154.\n\nThe tarballs have already been uploaded as of this email, and the git tags\nwill be pushed shortly.\n\nA \"MediaWiki Extensions Security Release Supplement\" e-mail will follow\nthis one, covering security updates for non-bundled extensions.\n\nReports of bugs with PHP 8.0 to 8.5 support are particularly welcome, and\nfixes will be back-ported when possible. If you find issues that haven't\nbeen backported, please report these too, referring to the relevant\nsupported release.\n\nPHP 8.x workboards:\n* https://phabricator.wikimedia.org/tag/php_8.0_support/\n* https://phabricator.wikimedia.org/tag/php_8.1_support/\n* https://phabricator.wikimedia.org/tag/php_8.2_support/\n* https://phabricator.wikimedia.org/tag/php_8.3_support/\n* https://phabricator.wikimedia.org/tag/php_8.4_support/\n* https://phabricator.wikimedia.org/tag/php_8.5_support/\n\nAs a reminder, MediaWiki 1.39 became EOL in December 2025 and MediaWiki\n1.42 became EOL in June 2025.\n\n== Security fixes ==\n\n* (T384147, CVE-2026-34092) SECURITY: Block UI elements in 'tools'-sidebar\nshows presence of an autoblocked IP.\n* (T410429, CVE-2026-34088) SECURITY: RecentChanges entries expose\nsuppressed content via generated log page html.\n* (T411305, CVE-2026-34091) SECURITY: User localization leaked by\nAbuseFilter + EventStream.\n* (T411366, CVE-2026-34090) SECURITY: Suggested investigations: Handle\nsuppressed usernames.\n* (T412061, CVE-2026-34087) SECURITY: Users API leaks whether privileged\nusers have their user groups disabled for lack of 2FA.\n* (T414547, CVE-2026-34093) SECURITY: Special:UserRights allows viewing\nuser rights from private wiki.\n* (T415584, CVE-2026-34086) SECURITY: AbuseFilter misuses\n::userCanBitfield, exposing access-controlled information.\n* (T416090, CVE-2026-34094) SECURITY: Customized help link for page\nprotection indicator is relative to subpage name, because the link target\nis missing the \"/wiki/\" prefix.\n* (T419168, CVE-2026-34089) SECURITY: Memory leak in Scribunto causes\nrunJobs.php to run out of memory.\n* (T419192, CVE-2026-34095) SECURITY: action=raw with Special:Mypage\nsubpage title responds with \"Content-Type) SECURITY: text/html\" on\nctype=text/javascript request.\n* (T420154, CVE-2026-5266) SECURITY: Notifications (Echo) API can be used\nby any OAuth tool.\n\n== Links to all mentioned tasks ==\n\n* https://phabricator.wikimedia.org/T384147\n* https://phabricator.wikimedia.org/T410429\n* https://phabricator.wikimedia.org/T411305\n* https://phabricator.wikimedia.org/T411366\n* https://phabricator.wikimedia.org/T412061\n* https://phabricator.wikimedia.org/T414547\n* https://phabricator.wikimedia.org/T415584\n* https://phabricator.wikimedia.org/T416090\n* https://phabricator.wikimedia.org/T419168\n* https://phabricator.wikimedia.org/T419192\n* https://phabricator.wikimedia.org/T420154\n\n== Release notes ==\n\nFull release notes for 1.43.7:\nhttps://phabricator.wikimedia.org/diffusion/MW/browse/REL1_43/RELEASE-NOTES-1.43\nhttps://www.mediawiki.org/wiki/Release_notes/1.43\n\nFull release notes for 1.44.4:\nhttps://phabricator.wikimedia.org/diffusion/MW/browse/REL1_44/RELEASE-NOTES-1.44\nhttps://www.mediawiki.org/wiki/Release_notes/1.44\n\nFull release notes for 1.45.2:\nhttps://phabricator.wikimedia.org/diffusion/MW/browse/REL1_45/RELEASE-NOTES-1.45\nhttps://www.mediawiki.org/wiki/Release_notes/1.45\n\nFor information about how to upgrade, see\n\n\n**********************************************************************\nDownload:\nhttps://releases.wikimedia.org/mediawiki/1.43/mediawiki-1.43.7.tar.gz\nhttps://releases.wikimedia.org/mediawiki/1.43/mediawiki-1.43.7.zip\n\nDownload without bundled extensions:\nhttps://releases.wikimedia.org/mediawiki/1.43/mediawiki-core-1.43.7.tar.gz\nhttps://releases.wikimedia.org/mediawiki/1.43/mediawiki-core-1.43.7.zip\n\nPatch to previous version (1.43.6):\nhttps://releases.wikimedia.org/mediawiki/1.43/mediawiki-1.43.7.patch.gz\nhttps://releases.wikimedia.org/mediawiki/1.43/mediawiki-1.43.7.patch.zip\n\nGPG signatures:\nhttps://releases.wikimedia.org/mediawiki/1.43/mediawiki-core-1.43.7.tar.gz.sig\nhttps://releases.wikimedia.org/mediawiki/1.43/mediawiki-core-1.43.7.zip.sig\nhttps://releases.wikimedia.org/mediawiki/1.43/mediawiki-1.43.7.tar.gz.sig\nhttps://releases.wikimedia.org/mediawiki/1.43/mediawiki-1.43.7.zip.sig\nhttps://releases.wikimedia.org/mediawiki/1.43/mediawiki-1.43.7.patch.gz.sig\nhttps://releases.wikimedia.org/mediawiki/1.43/mediawiki-1.43.7.patch.zip.sig\n\nPublic keys:\nhttps://www.mediawiki.org/keys/keys.html\n\n**********************************************************************\nDownload:\nhttps://releases.wikimedia.org/mediawiki/1.44/mediawiki-1.44.4.tar.gz\nhttps://releases.wikimedia.org/mediawiki/1.44/mediawiki-1.44.4.zip\n\nDownload without bundled extensions:\nhttps://releases.wikimedia.org/mediawiki/1.44/mediawiki-core-1.44.4.tar.gz\nhttps://releases.wikimedia.org/mediawiki/1.44/mediawiki-core-1.44.4.zip\n\nPatch to previous version (1.44.3):\nhttps://releases.wikimedia.org/mediawiki/1.44/mediawiki-1.44.4.patch.gz\nhttps://releases.wikimedia.org/mediawiki/1.44/mediawiki-1.44.4.patch.zip\n\nGPG signatures:\nhttps://releases.wikimedia.org/mediawiki/1.44/mediawiki-core-1.44.4.tar.gz.sig\nhttps://releases.wikimedia.org/mediawiki/1.44/mediawiki-core-1.44.4.zip.sig\nhttps://releases.wikimedia.org/mediawiki/1.44/mediawiki-1.44.4.tar.gz.sig\nhttps://releases.wikimedia.org/mediawiki/1.44/mediawiki-1.44.4.zip.sig\nhttps://releases.wikimedia.org/mediawiki/1.44/mediawiki-1.44.4.patch.gz.sig\nhttps://releases.wikimedia.org/mediawiki/1.44/mediawiki-1.44.4.patch.zip.sig\n\nPublic keys:\nhttps://www.mediawiki.org/keys/keys.html\n\n**********************************************************************\nDownload:\nhttps://releases.wikimedia.org/mediawiki/1.45/mediawiki-1.45.2.tar.gz\nhttps://releases.wikimedia.org/mediawiki/1.45/mediawiki-1.45.2.zip\n\nDownload without bundled extensions:\nhttps://releases.wikimedia.org/mediawiki/1.45/mediawiki-core-1.45.2.tar.gz\nhttps://releases.wikimedia.org/mediawiki/1.45/mediawiki-core-1.45.2.zip\n\nPatch to previous version (1.45.1):\nhttps://releases.wikimedia.org/mediawiki/1.45/mediawiki-1.45.2.patch.gz\nhttps://releases.wikimedia.org/mediawiki/1.45/mediawiki-1.45.2.patch.zip\n\nGPG signatures:\nhttps://releases.wikimedia.org/mediawiki/1.45/mediawiki-core-1.45.2.tar.gz.sig\nhttps://releases.wikimedia.org/mediawiki/1.45/mediawiki-core-1.45.2.zip.sig\nhttps://releases.wikimedia.org/mediawiki/1.45/mediawiki-1.45.2.tar.gz.sig\nhttps://releases.wikimedia.org/mediawiki/1.45/mediawiki-1.45.2.zip.sig\nhttps://releases.wikimedia.org/mediawiki/1.45/mediawiki-1.45.2.patch.gz.sig\nhttps://releases.wikimedia.org/mediawiki/1.45/mediawiki-1.45.2.patch.zip.sig\n\nPublic keys:\nhttps://www.mediawiki.org/keys/keys.html", "published_at": "Tue, 31 Mar 2026 23:06:16 +0000", "updated_at": "Tue, 31 Mar 2026 23:06:16 +0000", "severity": "unknown", "cvss_score": null, "exploit_status": "unknown", "source_confidence": "official", "official_source_url": "https://lists.wikimedia.org/hyperkitty/list/mediawiki-announce@lists.wikimedia.org/message/DIBLSBHISKX6NFRUFNOGZRVW42E7R2QP/", "secondary_source_urls": [], "aliases": [], "cve_ids": [], "ghsa_ids": [], "osv_ids": [], "affected_versions": [], "fixed_versions": [], "package_name": null, "render_markdown": false, "case_path": null, "secure_code_topics": [ "xss-output-encoding", "authz-server-side-recheck", "file-upload-validation", "plugin-extension-trust-policy" ], "status": "triage", "triage_reasons": [ "missing affected/fixed version details" ], "entity_refs": [ { "entity_id": "mediawiki", "entity_type": "system", "relation": "root-system", "root_system_id": "mediawiki", "official": true } ], "affected_components": [ { "name": "MediaWiki", "entity_id": "mediawiki", "scope": "core", "package_name": null, "official": true } ], "affected_version_ranges": [], 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