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CVE record · CVE-2026-77998

Joomla Extension - miniorange.com - Unauthenticated Authentication Bypass via SAMLResponse Parameter in miniOrange SAML SSO < 11.0.2, SAML SP Single Sign On – Login with ADFS < 6.4, SAML SP Single Si…

CVSS 10.0 CriticalCriticalEPSS 0.0060 · 49th 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 25 Aug 2026, 12:50 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 SAML SSO Free for Joomla extension for Joomla
  • affected 1.0.0-11.0.1
Other versions: unaffected
miniorange.com SAML SSO Basic for Joomla extension for Joomla
  • affected 1.0.0-13.1.0
Other versions: unaffected
miniorange.com SAML SSO Standard for Joomla extension for Joomla
  • affected 1.0.0-24.1.0
Other versions: unaffected
miniorange.com SAML SSO Premium for Joomla extension for Joomla
  • affected 1.0.0-34.1.0
Other versions: unaffected
miniorange.com SAML SSO Enterprise for Joomla extension for Joomla
  • affected 1.0.0-44.1.0
Other versions: unaffected
miniorange.com SAML SP Single Sign On – Login with ADFS extension for Joomla
  • affected 1.0.0-6.3.0
Other versions: unaffected
miniorange.com SAML SSO login with Google Apps extension for Joomla
  • affected 1.0.0-6.3.0
Other versions: unaffected
Identifiers
CVE-2026-77998
CNA
Joomla
Weakness (CWE)
CWE-639
Tags
Published
25 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 0.0060, the 49th 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 25 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.