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High 7.3Published Oct 26, 2026

CVE-2026-116368DeepSeek Harness Browser Auth browser-auth.ts improper authorization

Updated under an hour ago ()

Does this affect you?

It affects DeepSeek Harness. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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
7.3 HIGH (v3.1, CNA)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
Weakness (CWE)
CWE-285, CWE-266
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
VulDB
NVD analysis
Deferred
Record last updated
Oct 26, 2026
First seen by InfoSec Signals
Oct 26, 2026

Affected products

Affected products
DeepSeek Harness
deepseek:harness
0.2.0-rc.0; 0.2.0-rc.1; 0.2.0-rc.2
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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