VulnSea

DeepSeek has 4 CVEs on record. 4 were published in the last 90 days. The median CVSS is 6.8 (medium), with 1 rated critical. Most affected products: Harness (2), DeepSeek Harness (1), deepseek-harness (1).

CVEs per month

Last 12 months, by publish date

111201020304050607080910
Exploited share
0% vs 1% corpus
Median CVSS
6.8
Publish → KEV
—
Last 90 days
4 prev 0

Products

  • Harness 2
  • DeepSeek Harness 1
  • deepseek-harness 1
4
Total CVEs
1
Critical
0
CISA KEV
0
Exploited

DeepSeek vulnerabilities

CVEs affecting DeepSeek, newest first. Open any entry for full detail, references, and exploit status.

4 CVEsRSS

CVE-2026-116367Medium· 6.3
yesterday

DeepSeek Harness sandbox.ts createContext

A vulnerability was found in DeepSeek Harness up to 0.1.0-rc.5. This vulnerability affects the function createContext of the file packages/extensions/cordis-host-runner/src/sandbox.ts. The manipulation results in sandbox issue. It is pos…

▾ SunlitDeepSeek · HarnessEPSS 0.29%via CVEORG
CVE-2026-116368High· 7.3
yesterday

DeepSeek Harness Browser Auth browser-auth.ts improper authorization

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 a…

▾ TwilightDeepSeek · HarnessEPSS 0.58%via CVEORG
CVE-2026-101132Low· 3.1PoC
4w ago

A security flaw has been discovered in DeepSeek deepseek-harness up to 0.1.7-rc.2

A security flaw has been discovered in DeepSeek deepseek-harness up to 0.1.7-rc.2. The affected element is the function loadProfile of the file packages/boot/app-boot/src/profile.ts of the component Bundle Patch Handler. The manipulation…

▾ TwilightDeepSeek · deepseek-harnessEPSS 0.44%via NVD
CVE-2026-82533Critical· 9.6
1mo ago

DeepSeek Harness before 0.1.2-alpha.1 contains an authentication bypass vulnerability that grants unauthenticated access to its local HTTP agent-control API by accepting a client-supplied loopback Host header in place of validating the a…

DeepSeek Harness before 0.1.2-alpha.1 contains an authentication bypass vulnerability that grants unauthenticated access to its local HTTP agent-control API by accepting a client-supplied loopback Host header in place of validating the a…

▾ MidnightDeepSeek · DeepSeek HarnessEPSS 1.2%via NVD
DeepSeek vulnerabilities (CVEs) · VulnSea