What is CVE-2026-97274?

CVE-2026-97274 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 2026-09-30.

How severe is CVE-2026-97274?

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

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

CVE-2026-97274

Unauthenticated Bypass Vulnerability in OAuth Single Sign On – SSO (OAuth Client) <= 7.1.2 versions.

Published 2026-09-30 · last modified 2026-09-30.

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.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Miniorange Oauth Single Sign On – Sso (Oauth Client)

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing

References

patchstack.com/database/wordpress/plugin/miniorange-login-with-eve-online-googl… (vdb-entry)

Frequently asked questions

What is CVE-2026-97274?: CVE-2026-97274 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 2026-09-30.
How severe is CVE-2026-97274?: Critical severity. CVSS v3 base score is 9.8 out of 10.