9.8

CVE-2026-28008: miniorange oauth single sign on – sso (oauth client) Authentication Bypass by Spoofing

CVSS: 9.8v3.1CriticalDeferred
Published 13-08-2026Last modified 13-08-2026
Open JSON

Vulnerability summary

CVE-2026-28008 is a critical (CVSS 9.8) Authentication Bypass by Spoofing vulnerability in miniorange oauth single sign on – sso (oauth client). EPSS estimates a 0.61% chance of exploitation in the next 30 days, higher than 48.2% of scored vulnerabilities. Fixed in 7.0.1.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.61%
0%100%
Low · +0.20 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-08-2026
    PublishedVulnerability first disclosed.
  2. 13-08-2026
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.61%

Chance of exploitation in the next 30 days

Percentile

48%

Versus all other CVEs

30-day change

+0.20 pp

From 0.40% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.61%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Miniorange1 product
Wordpress1 product
  • miniorange-login-with-eve-online-google-facebook≤ 7.0.0 (fixed in 7.0.1)

2 vendors · 2 products

References

2 links