High severity · published Oct 26, 2026
CVE-2026-116368
DeepSeek Harness Browser Auth browser-auth.ts improper authorization
New
7.3
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HA
Harness · DeepSeek
0.2.0-rc.0; 0.2.0-rc.1; 0.2.0-rc.2 · source: vendor