CVE-2026-15611
Critical
Description
Logto allows unverified email-based SSO account linking, enabling an attacker to register an identity at a permissive IdP using a victim’s email and gain unauthorized access to the victim’s account.
SeverityCritical
CVSS9.1
Exploit probability—
ProductLogto
PublishedJul 23, 2026
First seenJul 23, 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 |
|---|---|---|
| Logto Logto | 1.11.0 ≤ v ≤ 1.37.1 | — |
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