PT-2026-107494 · Expressgateway · Express Gateway
CVE-2026-107162
·
Published
2026-10-07
·
Updated
2026-10-07
CVSS v3.1
6.8
Medium
| Vector | AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N |
Express Gateway through 1.16.11 contains an authentication bypass vulnerability in the OAuth 2.0 refresh token grant that fails to validate the token secret or issuing client. Attackers with any valid client credentials and the identifier portion of another user's refresh token can obtain that user's access token and impersonate them against oauth2-protected APIs.
Fix
Improper Authentication
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Weakness Enumeration
Related Identifiers
Affected Products
Express Gateway