Improper Validation of Specified Quantity in Input Affecting powershell package, versions [7.4.0,7.4.14)[7.5.0,7.5.5)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DOTNET-POWERSHELL-16114947
- published21 Apr 2026
- disclosed14 Apr 2026
- creditsurfingoldelephant
Introduced: 14 Apr 2026
NewCVE-2026-26143 (opens in a new tab)How to fix?
Upgrade PowerShell to version 7.4.14, 7.5.5 or higher.
Overview
PowerShell is a package containing the PowerShell global tool
Affected versions of this package are vulnerable to Improper Validation of Specified Quantity in Input in the IsSafeValueVisitor() function when SkipLimitCheck is true and used with Import-PowerShellDataFile. An attacker can bypass security restrictions by providing crafted input during local interaction.