CVE-2026-3277
Last modified
CVE-2026-3277 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 0.16% chance of exploitation in the next 30 days.
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
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ironmansoftware | Powershell Universal | < 2026.1.3 |
References
- https://devolutions.net/security/advisories/DEVO-2026-0006Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2026-3277?
How severe is CVE-2026-3277?
How do I fix CVE-2026-3277?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-32764Rejected reason: This repository is no longer public.
- CVE-2026-32765Rejected reason: This repository is no longer public.
- CVE-2026-32766astral-tokio-tar is a tar archive reading/writing library fo…5.3
- CVE-2026-32767SiYuan is a personal knowledge management system. Versions 3…9.8
- CVE-2026-32768Chall-Manager is a platform-agnostic system able to start Ch…9.9
- CVE-2026-32769Fullchain is an umbrella project for deploying a ready-to-us…9.8
- CVE-2026-32770Parse Server is an open source backend that can be deployed …7.5
- CVE-2026-32771The CTFer.io Monitoring component is in charge of the collec…9.8
- CVE-2026-32772telnet in GNU inetutils through 2.7 allows servers to read a…4.7
- CVE-2026-32774Vulnogram 1.0.0 contains a stored cross-site scripting vulne…5.4
- CVE-2026-32775libexif through 0.6.25 has a flaw in decoding MakerNotes. If…7.8
- CVE-2026-32776libexpat before 2.7.5 allows a NULL pointer dereference with…5.5
Are you affected by CVE-2026-3277?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST