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CVE-2026-116368EUVD-2026-109920GHSA-4M7Q-GHVX-6VX5

DeepSeek Harness Browser Auth browser-auth.ts improper authorization

Published
Last modified
published
Not listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

The DeepSeek Harness software, specifically its browser authentication component, contains an improper authorization flaw that can be triggered remotely. This could allow an attacker to access functionality or data they are not permitted to use.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original description

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.

Timeline

  1. CVE published
  2. First seen by cve.now
  3. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  4. Record last updated

Affected versions

  • DeepSeek Harness

    0.2.0-rc.0, 0.2.0-rc.1, 0.2.0-rc.2

References 4

VulDB