What is GHSA-2r4j-c245-2qx7?

GHSA-2r4j-c245-2qx7 is a security advisory published by GitHub Security Advisories with Critical severity. Logto bypasses OIDC nonce validation when the nonce claim is absent from the id_token, enabling...

Which CVE IDs does GHSA-2r4j-c245-2qx7 cover?

GHSA-2r4j-c245-2qx7 covers the following CVE IDs: CVE-2026-15612. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-2r4j-c245-2qx7?

GHSA-2r4j-c245-2qx7 has a CVSS v3 base score of 9.1, published by GitHub Security Advisories.

GHSA-2r4j-c245-2qx7CriticalCVSS 9.1

Logto bypasses OIDC nonce validation when the nonce claim is absent from the id_token, enabling...

Vendor

GitHub Security Advisories

Published

July 23, 2026

Last Modified

July 27, 2026

🔗 CVE IDs covered (1)

CVE-2026-15612 →

📋 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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-15612
https://github.com/logto-io/logto/blob/ea3ede35028dfd0bbb6d7b239623ce0e7f6cdff8/packages/core/src/sso/OidcConnector/utils.ts#L175-L182
https://github.com/advisories/GHSA-2r4j-c245-2qx7