CVE-2026-77998 evidence review

miniorange.com SAML SSO Free for Joomla extension for Joomla, SAML SSO Basic for Joomla extension for Joomla, SAML SSO Standard for Joomla extension for Joomla

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 Sign On – SAML SSO login with Google Apps < 6.4 - This is due to the mo_saml_validate_signature() function performing a loose boolean check on the raw tri-state integer returned by PHP's openssl_verify(), causing an error return value of -1 to be evaluated as truthy and therefore treated as a successful signature verification. This makes it possible for unauthenticated attackers to log in as any e...

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Evidence review

This record remains available for product and version identification, but it is not presented as a complete remediation procedure. Confirm the affected range and the supported fix in a direct vendor advisory before changing production systems.

Productminiorange.com SAML SSO Free for Joomla extension for Joomla, SAML SSO Basic for Joomla extension for Joomla, SAML SSO Standard for Joomla extension for Joomla

Affected versions>= 1.0.0-11.0.1, >= 1.0.0-13.1.0, >= 1.0.0-24.1.0, >= 1.0.0-34.1.0, >= 1.0.0-44.1.0, >= 1.0.0-6.3.0, >= 1.0.0-1.2.1

Fixed versionsNo verified fixed-version field is available yet

Priority basisReview · CVSS 10 · EPSS -

Identify the product and installed version

Record whether miniorange.com SAML SSO Free for Joomla extension for Joomla, SAML SSO Basic for Joomla extension for Joomla, SAML SSO Standard for Joomla extension for Joomla is present, where it is installed, and which interfaces are exposed.

Record the product name, package or appliance identifier, and installed version.
Identify internet-facing, administrative, API, and internal access paths.
Preserve the pre-change configuration and relevant service logs.

Compare the affected range

Use the current record as an identification aid: >= 1.0.0-11.0.1, >= 1.0.0-13.1.0, >= 1.0.0-24.1.0, >= 1.0.0-34.1.0, >= 1.0.0-44.1.0, >= 1.0.0-6.3.0, >= 1.0.0-1.2.1. Resolve incomplete inventory results before deciding that an asset is unaffected.

Verify the authoritative remediation source

Open the linked source material and locate a direct vendor advisory for this CVE. Confirm the supported fixed release and product-specific update path before making a production change.

Operational boundary

This page does not replace the vendor advisory, support contract, change-management process, or recovery plan. Do not infer that an asset is unaffected from an incomplete inventory query or a missing fixed-version field.