🛡️ CVE-2026-3277 — powershell-universal

🟡 CVSS 6.5 — Medium ✅ No Known Exploit CWE-312 NVD
6.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity none, availability none.

Weakness class

CVE-2026-3277 is classified as CWE-312: Cleartext Storage of Sensitive Information. Sensitive values are written to storage unencrypted and readable by anyone with access to it.

Affected software

CVE-2026-3277 is recorded against 1 package.

  • powershell-universal (fixed in 2026.1.3)

Timeline and source

Published on 27 February 2026 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

devolutions.net

Details

Severity MEDIUM
CVSS Score 6.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE CWE-312
Public Exploit ✅ No
Source NVD
Published 2026-02-27
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
powershell-universal — 2026.1.3

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