Home/CVE/Improper input validation in the apps and endpoints configuration in PowerShell Universal before 2026.1.4 allows an auth
CVE

CVE-2026-3563

Improper input validation in the apps and endpoints configuration in PowerShell Universal before 2026.1.4 allows an auth

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.

MEDIUM · CVSS 5.5 EPSS 0.00022
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-1289Improper Validation of Unsafe Equivalence in Input
▤

Affected Products & Versions

1
ironmansoftware powershell universal< 2026.1.4
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · security@devolutions.net
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 Mar 2026 · 08:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:L
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://devolutions.net/security/advisories/DEVO-2026-0008Vendor Advisory
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