CVE-2026-116368

HIGH 7.3

DeepSeek Harness Browser Auth browser-auth.ts improper authorization

CVSS Score

7.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-285 CWE-266
Vendor	deepseek
Product	harness
Published	Oct 26, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

DeepSeek / Harness

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

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/426332 vuldb.com: https://vuldb.com/vuln/426332/cti vuldb.com: https://vuldb.com/cve/CVE-2026-116368 vuldb.com: https://vuldb.com/submit/1012891

Credits

🔍 JerryGW (VulDB User) VulDB CNA Team