EUVD-2026-12636
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:L
Lifecycle Timeline
3Description
Improper input validation in the apps and endpoints configuration in PowerShell Universal before 2026.1.4 allows an authenticated user with permissions to create or modify Apps or Endpoints to override existing application or system routes, resulting in unintended request routing and denial of service via a conflicting URL path.
Analysis
PowerShell Universal versions before 2026.1.4 contain an improper input validation vulnerability in the apps and endpoints configuration system that allows authenticated users with creation or modification permissions to inject malicious URL paths that override existing application or system routes. This vulnerability can result in unintended request routing where legitimate traffic is redirected to attacker-controlled endpoints, as well as denial of service conditions through route conflicts. …
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Remediation
Within 30 days: Identify affected systems running the apps and endpoints configuration in PowerShell Universal and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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External POC / Exploit Code
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