Is CVE-2026-116897 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-116897?

CVE-2026-116897 has a CVSS v3 severity of MEDIUM (6.5).

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CVE-2026-116897

Description

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, 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one holding history[article_rollback], can set rex_version or rex_history_date with arbitrary article_id values to read unpublished working versions and historic or deleted content.