code100x contains an authentication bypass vulnerability in the Mobile API that allows unauthenticated attackers to impersonate arbitrary users by supplying a crafted JSON payload in the 'g' HTTP header. The middleware in middleware.ts skips identity header generation when an Auth-Key header is present without validating its value, allowing attackers to inject a spoofed user identity header that the downstream route handler in the mobile courses endpoint accepts as trusted, granting unauthorized access to course data belonging to any enrolled user or administrator.
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Fixes
Solution
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Workaround
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References
History
Tue, 26 May 2026 19:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | code100x contains an authentication bypass vulnerability in the Mobile API that allows unauthenticated attackers to impersonate arbitrary users by supplying a crafted JSON payload in the 'g' HTTP header. The middleware in middleware.ts skips identity header generation when an Auth-Key header is present without validating its value, allowing attackers to inject a spoofed user identity header that the downstream route handler in the mobile courses endpoint accepts as trusted, granting unauthorized access to course data belonging to any enrolled user or administrator. | |
| Title | code100x Mobile API Authentication Bypass via Header Spoofing | |
| Weaknesses | CWE-639 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-05-26T19:25:54.063Z
Reserved: 2026-05-18T20:47:38.669Z
Link: CVE-2026-8890
No data.
Status : Received
Published: 2026-05-26T19:16:34.007
Modified: 2026-05-26T19:16:34.007
Link: CVE-2026-8890
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OpenCVE Enrichment
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Weaknesses