CVE-2026-107162 (GCVE-0-2026-107162)

Vulnerability from cvelistv5 – Published: 2026-10-07 12:48 – Updated: 2026-10-07 12:48 Unsupported When Assigned
VLAI
Title
Express Gateway through 1.16.11 OAuth 2.0 Refresh Token Validation Bypass
Summary
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.
Severity
7.6 (High)
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
6.8 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
CWE
  • CWE-287 - Improper Authentication
Assigner
References
Impacted products
Vendor Product Version CPE status
ExpressGateway express-gateway Affected: 0 , ≤ 1.16.11 (semver)
    cpe:2.3:a:express-gateway:express-gateway_docker_image:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-04 00:00
Credits
MD Mahmidul Hasan
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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