{"id":"CVE-2026-116897","title":"REDAXO before 5.21.4 Missing Authorization in Version and History Previews","summary":"REDAXO core before 5.21.4 contains a missing authorization vulnerability in the structure/version and structure/history frontend preview modes, which do not check category or clang permissions for the previewed article. Any backend user,…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","cvssSource":"cna","cwe":["CWE-862"],"vendor":"redaxo","product":"core","affected":["core < 5.21.4"],"published":"2026-10-27","updated":"2026-10-27","sourceUpdated":"2026-10-27T10:59:26.165Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116897","references":[{"url":"https://github.com/redaxo/core/security/advisories/GHSA-v4m9-jvvr-83cx","label":"GitHub Security Advisory (GHSA-v4m9-jvvr-83cx)"},{"url":"https://www.vulncheck.com/advisories/redaxo-before-5.21.4-missing-authorization-in-version-and-history-previews","label":"VulnCheck Advisory: REDAXO before 5.21.4 Missing Authorization in Version and History Previews"}],"tags":["cve.org"],"ingestedAt":"2026-10-27T16:11:59.292Z","slug":"CVE-2026-116897","body":"## Overview\n\nREDAXO core before 5.21.4 contains a missing authorization vulnerability in the structure/version and structure/history frontend preview modes, which do not check category or clang permissions for the previewed article. Any backend user, or one holding history[article_rollback], can set rex_version or rex_history_date with arbitrary article_id values to read unpublished working versions and historic or deleted content.\n\n## Affected\n\n- `core < 5.21.4`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}