{"action":"Upgrade org.xwiki.platform:xwiki-platform-legacy-oldcore to 16.10.16 (16.10.x), 17.4.8 (17.4.x) or 17.10.1 (17.10.x) or later.","affected":[{"fixed":"16.10.16","introduced":"1.8-rc-1"},{"fixed":"17.4.8","introduced":"17.0.0-rc-1"},{"fixed":"17.10.1","introduced":"17.5.0-rc-1"}],"component":"org.xwiki.platform:xwiki-platform-legacy-oldcore","cve_ids":["CVE-2026-40104"],"ecosystem":"Maven","epss":0.004,"exploited":false,"fixed_versions":["16.10.16","17.4.8","17.10.1"],"ghsa_id":"GHSA-mrqg-xmgm-rc5g","id":"tcs_01M5N95R6N7HS9H12CSQB6FCZB","modified_at":"2026-05-05T16:13:01.911811Z","published_at":"2026-04-14T22:34:04Z","references":["https://osv.dev/vulnerability/GHSA-mrqg-xmgm-rc5g","https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-mrqg-xmgm-rc5g","https://nvd.nist.gov/vuln/detail/CVE-2026-40104","https://github.com/xwiki/xwiki-platform/commit/47b568c4753a6e682b14be1ca581bdd3b25d45a7","https://github.com/xwiki/xwiki-platform","https://jira.xwiki.org/browse/XWIKI-23550"],"severity":{"label":"high","score":8.2},"sources":[{"source":"osv","source_id":"GHSA-mrqg-xmgm-rc5g#Maven/org.xwiki.platform:xwiki-platform-legacy-oldcore","url":"https://osv.dev/vulnerability/GHSA-mrqg-xmgm-rc5g"}],"summary":"XWiki's REST APIs can list all pages/spaces, leading to unavailability"}