Improper Authorization in DeepSeek Harness Affecting Browser Auth Component
CVE-2026-116368

6.9MEDIUM

Key Information:

Vendor

Deepseek

Status
Harness
Vendor
CVE Published:
26 October 2026

What is CVE-2026-116368?

A vulnerability has been identified in DeepSeek Harness prior to version 0.2.0-rc.2, specifically affecting the Browser Auth component's processing of the file packages/client/connection/src/browser-auth.ts. This issue allows for unauthorized access, enabling attackers to manipulate the system remotely without the need for authentication. The vendor was notified of this issue but has not yet provided any response or remediation.

Affected Version(s)

Harness 0.2.0-rc.0

Harness 0.2.0-rc.1

Harness 0.2.0-rc.2

References

https://vuldb.com/vuln/426332
vdb-entry
https://vuldb.com/vuln/426332/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-116368
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

JerryGW (VulDB User)
VulDB CNA Team
.