Cleartext storage of sensitive information in Devolutions PowerShell Universal
Priority LOW 28CWE-312Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-312.
Summary
The OpenID Connect (OIDC) authentication configuration in PowerShell Universal before 2026.1.3 stores the OIDC client secret in cleartext in the .universal/authentication.ps1 script, which allows an attacker with read access to that file to obtain the OIDC client credentials
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00186 8th percentileScored 2026-11-07
Fix Fixed PowerShell Universal (Devolutions): 2026.1.3
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 | before 2026.1.3 | 2026.1.3 | Patch available | CNA |
- PowerShell Universal VendorDevolutions Affected before 2026.1.3 Fixed in 2026.1.3 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ironmansoftware:powershell_universal:*:*:*:*:*:*:*:* | before 2026.1.3 | Vulnerable | Ironmansoftware |
- cpe:2.3:a:ironmansoftware:powershell_universal:*:*:*:*:*:*:*:* Versions before 2026.1.3 Vulnerable ·Ironmansoftware
Remediation
- Fix · CNA PowerShell Universal (Devolutions) Fixed in 2026.1.3
Timeline
- 2026-10-02 Threatist record created from CVE-2026-3277
- 2026-10-03 Alias added: GHSA-vrv3-8mcq-ppf5
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-2026-3277 · CVE Program
- CVE-2026-3277 · NVD
- FIRST EPSS
- GHSA-vrv3-8mcq-ppf5 · 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