CVE-2026-116368: DeepSeek Harness Browser Auth browser-auth.ts improper authorization
A vulnerability was determined in DeepSeek Harness up to 0.2.0-rc.2. This issue affects some unknown processing of the file packages/client/connection/src/browser-auth.ts of the component Browser Auth. This manipulation causes improper authorization. The attack can be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.
Affected Software
Event History
Frequently Asked Questions
What access does an attacker need to exploit this issue?
The issue can be initiated remotely. The supplied severity vector indicates no privileges or user interaction are required.
Which deployments should be investigated?
DeepSeek Harness versions up to and including 0.2.0-rc.2 should be investigated, particularly use of the Browser Auth component and its browser-auth.ts processing.
Is a vendor fix or workaround available?
No fix or workaround is provided in the available information. The vendor was contacted before disclosure but did not respond.