| Package | Affected versions | Patched versions |
|---|---|---|
| x-pack | ≥ 5.3.0, < 5.3.3≥ 5.4.0, < 5.4.1 | 5.3.35.4.1 |
Elastic X-Pack Security versions prior to 5.4.1 and 5.3.3 did not always correctly apply Document Level Security to index aliases. This bug could allow a user with restricted permissions to view data they should not have access to when performing certain operations against an index alias.
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