Improper input validation in the apps and endpoints configuration in PowerShell Universal…
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Devolutions | PowerShell Universal | 2026.1.0 to before 2026.1.4 | 2026.1.4 | Patch available | CNA |
- PowerShell Universal VendorDevolutions Affected 2026.1.0 to before 2026.1.4 Fixed in 2026.1.4 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ironmansoftware:powershell_universal:*:*:*:*:*:*:*:* | before 2026.1.4 | Vulnerable | Ironmansoftware |
- cpe:2.3:a:ironmansoftware:powershell_universal:*:*:*:*:*:*:*:* Versions before 2026.1.4 Vulnerable ·Ironmansoftware
Remediation
- Fix · CNA PowerShell Universal (Devolutions) Fixed in 2026.1.4
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Devolutions PowerShell Universal 2026.1.4
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2026-03519 Missing authorization in Devolutions PowerShell UniversalPriority LOW 38
Timeline
- 2026-10-02 Threatist record created from CVE-2026-3563
- 2026-10-03 Alias added: GHSA-gx25-v2f3-ppxq
References
More Devolutions vulnerabilities
- TI-2026-02787 Improper authentication in Devolutions Server CVSS 3.1CRITICAL 9.8
- TI-2026-02768 Improper input validation in Devolutions Server CVSS 3.1CRITICAL 9.8
- TI-2024-02729 Missing authentication in Devolutions Server CVSS 3.1CRITICAL 9.8
- TI-2023-06040 Incorrect permission assignment in Devolutions Remote Desktop Manager CVSS 3.1CRITICAL 9.8
- TI-2023-04041 Improper authentication in Devolutions Remote Desktop Manager CVSS 3.1CRITICAL 9.8
- TI-2026-02702 Improper Enforcement of Behavioral Controls in Devolutions Server 2025.3.15 and earlier… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-3563 · CVE Program
- CVE-2026-3563 · NVD
- FIRST EPSS
- GHSA-gx25-v2f3-ppxq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences