CVE-2026-15612

critical · 9.1

Logto bypasses OIDC nonce validation when the nonce claim is absent from the id_token, enabling replay of authentication tokens and weakening session-binding.

9.1

CVSS

0.2%

EPSS (exploit prob.)

8th

EPSS percentile

2026-07-23

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weaknesses

CWE-345

References

https://github.com/logto-io/logto/blob/ea3ede35028dfd0bbb6d7b239623ce0e7f6cdff8/packages/core/src/sso/OidcConnector/utils.ts#L175-L182

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-15612