What is CVE-2026-120844?

CVE-2026-120844 is a critical-severity vulnerability in Miniorange Oauth Single Sign On – Sso (Oauth Client), classified under Incorrect Privilege Assignment. CVSS score: 9.8/10. Published 2026-11-06.

How severe is CVE-2026-120844?

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

Privilege escalation in Miniorange Oauth Single Sign On – Sso (Oauth Client)

CVE-2026-120844

Incorrect Privilege Assignment vulnerability in miniOrange OAuth Single Sign On – SSO (OAuth Client) miniorange-login-with-eve-online-google-facebook allows Privilege Escalation.This issue affects OAuth Single Sign On – SSO (OAuth Client): from n/a through 7.1.3.

Published 2026-11-06 · last modified 2026-11-06.

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

EPSS: 0.003 (26.4th percentile), scored 2026-11-09.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Affected products

Miniorange Oauth Single Sign On – Sso (Oauth Client)

Weakness classification (CWE)

CWE-266 — Incorrect Privilege Assignment

References

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

Frequently asked questions

What is CVE-2026-120844?: CVE-2026-120844 is a critical-severity vulnerability in Miniorange Oauth Single Sign On – Sso (Oauth Client), classified under Incorrect Privilege Assignment. CVSS score: 9.8/10. Published 2026-11-06.
How severe is CVE-2026-120844?: Critical severity. CVSS v3 base score is 9.8 out of 10.