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CVE record · CVE-2026-77995

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, Sin…

CVSS 10.0 CriticalCriticalEPSS 0.0041 · 35th percentile

Critical, because:

  • CVSS score 10.0: 9.0 or more.

How we decide what’s critical

Published by the CVE Program (CNA: Joomla) at 24 Aug 2026, 13:05 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
miniorange.com miniOrange OAuth Client (free) extension for Joomla
  • affected 1.0.0-3.1.9
Other versions: unaffected
miniorange.com OAuth Single Sign-On – OIDC SSO | Login with Azure AD (free) extension for Joomla
  • affected 1.0.0-1.2.1
Other versions: unaffected
miniorange.com Login with Keycloak OAuth Single Sign-On (SSO) (free) extension for Joomla
  • affected 1.0.0-1.2.1
Other versions: unaffected
miniorange.com Single Sign-On for Educational Institutes (free) extension for Joomla
  • affected 1.0.0-1.2.1
Other versions: unaffected
Identifiers
CVE-2026-77995
CNA
Joomla
Weakness (CWE)
CWE-639
Tags
Published
24 Aug 2026
Updated
8 Sept 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
10.0 Critical 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H CNA (Joomla)
  • CISA KEV Not listed.
  • EPSS 0.0041, the 35th percentile, on 15 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 24 Aug 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.