Threat intelligence

SAML Single Sign On <= 5.4.3 - Unauthenticated Authentication Bypass via 'SAMLResponse' Parameter Signature Algorithm Confusion

CVE-2026-15013 · miniorange-saml-20-single-sign-on

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Miniorange Saml 20 Single Sign On at a vulnerable version. How SiteRespond intelligence works

Vulnerability: SAML Single Sign On <= 5.4.3 - Unauthenticated Authentication Bypass via 'SAMLResponse' Parameter Signature Algorithm Confusion
Affected software: miniorange-saml-20-single-sign-on(Plugin)
Affected versions: ≤ 5.4.3
Authentication: Unauthenticated
Vulnerability type: Authentication bypass
CVE: CVE-2026-15013
Published: 15 July 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow access to accounts or admin areas without valid credentials.
Source: Data imported from Wordfence Intelligence (advisory ee95092d-6351-4612-872d-284165bc1201). Methodology and redistribution notes

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