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THREAT OPS › Threat News › [NVD] CVE-2026-75800 (CRITICAL 9.8) — The Frontegg SAML SSO WordPress plugin through 1.0.1 does not verify the signature or issuer of SAML authentication responses before establishing a session, allowing unauthenticated attackers to log in as any user, including administrators, as well as to create arbitrary accounts

[NVD] CVE-2026-75800 (CRITICAL 9.8) — The Frontegg SAML SSO WordPress plugin through 1.0.1 does not verify the signature or issuer of SAML authentication responses before establishing a session, allowing unauthenticated attackers to log in as any user, including administrators, as well as to create arbitrary accounts

mednvdPublished 2026-09-12

CVE-2026-75800 CVSS: 9.8 CRITICAL Published: 2026-09-12T06:16:23.340

The Frontegg SAML SSO WordPress plugin through 1.0.1 does not verify the signature or issuer of SAML authentication responses before establishing a session, allowing unauthenticated attackers to log in as any user, including administrators, as well as to create arbitrary accounts.

Indicators of compromise

CVE-2026-75800cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-75800