CVE-2026-77995
Critical
Description
Joomla Extension - miniorange.com - Arbitrary account takeover in miniOrange OAuth Client < 3.2.0, OAuth Single Sign-On – OIDC SSO < 1.2.2, Login with Keycloak OAuth Single Sign-On (SSO) < 1.2.2, Single Sign-On for Educational Institutes < 1.2.2 - The manipulation of a cookie value allows actors to login as arbitrary accounts, including admins.
SeverityCritical
CVSS10.0
Exploit probability—
ProductminiOrange OAuth Client (free) extension for Joomla
PublishedAug 24, 2026
First seenAug 24, 2026
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| miniorange.com miniOrange OAuth Client (free) extension for Joomla | 1.0.0-3.1.9 | — |
| miniorange.com OAuth Single Sign-On – OIDC SSO | Login with Azure AD (free) extension for Joomla | 1.0.0-1.2.1 | — |
| miniorange.com Login with Keycloak OAuth Single Sign-On (SSO) (free) extension for Joomla | 1.0.0-1.2.1 | — |
| miniorange.com Single Sign-On for Educational Institutes (free) extension for Joomla | 1.0.0-1.2.1 | — |
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