What is CVE-2026-28008?

CVE-2026-28008 is a critical-severity vulnerability in Miniorange Oauth Single Sign On – Sso (Oauth Client), classified under Authentication Bypass by Spoofing. CVSS score: 9.8/10. Published 2026-08-13.

How severe is CVE-2026-28008?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Miniorange Oauth Single Sign On – Sso (Oauth Client)

CVE-2026-28008

Unauthenticated Broken Authentication in OAuth Single Sign On – SSO (OAuth Client) <= 7.0.0 versions.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Miniorange Oauth Single Sign On – Sso (Oauth Client) — versions n/a

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-28008?: CVE-2026-28008 is a critical-severity vulnerability in Miniorange Oauth Single Sign On – Sso (Oauth Client), classified under Authentication Bypass by Spoofing. CVSS score: 9.8/10. Published 2026-08-13.
How severe is CVE-2026-28008?: Critical severity. CVSS v3 base score is 9.8 out of 10.