CVE-2026-15612
Critical
Description
Logto bypasses OIDC nonce validation when the nonce claim is absent from the id_token, enabling replay of authentication tokens and weakening session-binding.
SeverityCritical
CVSS9.1
Exploit probability—
ProductLogto
PublishedJul 23, 2026
First seenJul 23, 2026
Weakness typeCWE-345CWE-345
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Logto Logto | 1.10.1 ≤ v ≤ 1.37.1 | — |
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