CVE-2026-75800
Critical
Description
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductFrontegg SAML SSO
PublishedSep 12, 2026
First seenSep 12, 2026
Weakness typeCWE-287Improper authentication
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Frontegg SAML SSO | v ≤ 1.0.1 | — |
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