CVE-2026-107162 — Express Gateway through 1.16.11 OAuth 2.0 Refresh Token Validation Bypass
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. A…
Published: 2026-10-07 · CVSS: 7.6 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7