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Improper Validation of Specified Quantity in Input Affecting kibana-8.18-config package, versions *

Severity

 Recommended
low

Based on default assessment until relevant scores are available.

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  • Snyk IDSNYK-MINIMOSLATEST-KIBANA818CONFIG-15755804
  • published23 Mar 2026
  • disclosed24 Mar 2026
Report a new vulnerability Found a mistake?

Introduced: 23 Mar 2026

NewCVE-2026-33349  (opens in a new tab)
CWE-1284  (opens in a new tab)

How to fix?

There is no fixed version for Minimos:latest kibana-8.18-config.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kibana-8.18-config package and not the kibana-8.18-config package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks. From version 4.0.0-beta.3 to before version 5.5.7, the DocTypeReader in fast-xml-parser uses JavaScript truthy checks to evaluate maxEntityCount and maxEntitySize configuration limits. When a developer explicitly sets either limit to 0 — intending to disallow all entities or restrict entity size to zero bytes — the falsy nature of 0 in JavaScript causes the guard conditions to short-circuit, completely bypassing the limits. An attacker who can supply XML input to such an application can trigger unbounded entity expansion, leading to memory exhaustion and denial of service. This issue has been patched in version 5.5.7.