TI-2026-03519 Aliases CVE-2026-4064 GHSA-979h-vff8-97jm

Missing authorization in Devolutions PowerShell Universal

LOW 38CWE-862Published 2026-03-17 · Updated 2026-03-17

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · Low
Fix status: Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-862.

Summary

Missing authorization checks on multiple gRPC service endpoints in PowerShell Universal before 2026.1.4 allows an authenticated user with any valid token to bypass role-based access controls and perform privileged operations — including reading sensitive data, creating or deleting resources, and disrupting service operations — via crafted gRPC requests.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00345 28th percentileScored 2026-11-07

Fix Fixed PowerShell Universal (Devolutions): 2026.1.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

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 · 2026-03-17
Devolutions PowerShell Universal 2026.1.4
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2026-03073 Improper input validation in the apps and endpoints configuration in PowerShell Universal…Priority LOW 25
Show all 2 records →

Timeline

2026-10-02 Threatist record created from CVE-2026-4064
2026-10-03 Alias added: GHSA-979h-vff8-97jm

References

Advisory 1

https://devolutions.net/security/advisories/DEVO-2026-0008

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

See all 212 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences