CVE-2026-107162

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Source
https://cve.org/CVERecord?id=CVE-2026-107162
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-107162.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-107162
Published
2026-10-07T12:48:18Z
Modified
2026-10-11T02:30:56Z
Severity
  • 7.6 (High) CVSS_V4 - 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 CVSS Calculator
Summary
Express Gateway through 1.16.11 OAuth 2.0 Refresh Token Validation Bypass
Details

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.

Database specific 
{
    "cna_assigner":  "VulnCheck",
    "cwe_ids":  [
        "CWE-287"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107162.json"
}
References

Affected packages

Git / github.com/expressgateway/express-gateway

Affected ranges

Type
GIT
Repo
https://github.com/expressgateway/express-gateway
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
f7ff832c2294d49c3073ba59dc716907b3b5ad13
Database specific
Show details 
{
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "last_affected":  "1.16.11"
        },
        {
            "fixed":  "1.16.11"
        }
    ],
    "source":  [
        "AFFECTED_FIELD",
        "DESCRIPTION"
    ]
}

Affected versions

0.*
0.1.0
v0.*
v0.0.2
v0.10.0
v0.11.0
v0.9.0
v1.*
v1.0.0
v1.0.1
v1.0.2
v1.1.0
v1.1.1
v1.10.0
v1.10.1
v1.10.2
v1.11.0
v1.12.0
v1.12.1
v1.13.0
v1.14.0
v1.15.0
v1.16
v1.16.0
v1.16.1
v1.16.10
v1.16.2
v1.16.3
v1.16.6
v1.16.7
v1.16.8
v1.16.9
v1.2.0
v1.4.0
v1.5.0
v1.6.0
v1.6.1
v1.7.0
v1.7.2
v1.7.3
v1.8.0
v1.8.1
v1.8.2
v1.9.0
v1.9.1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-107162.json"