---
id: CVE-2026-95183
title: >-
  An issue in the context-compaction feature of DeepSeek Harness (dsh) commit
  c291e796 allows attackers to execute a prompt injection attack via crafted
  external content.
summary: >-
  An issue in the context-compaction feature of DeepSeek Harness (dsh) commit
  c291e796 allows attackers to execute a prompt injection attack via crafted
  external content.
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
cvssSource: adp
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-21T01:54:28.151341Z'
published: '2026-10-16'
updated: '2026-10-21'
sourceUpdated: '2026-10-21T01:55:26.148Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-95183'
references:
  - url: 'http://deepseek.com'
  - url: 'https://gist.github.com/lkloliver/c54c0cc91e1ec4f16b538e0d8a1411b6'
tags:
  - cve.org
epss: 0.00255
epssPercentile: 0.16959
ingestedAt: '2026-10-16T15:11:47.134Z'
---

## Overview

An issue in the context-compaction feature of DeepSeek Harness (dsh) commit c291e796 allows attackers to execute a prompt injection attack via crafted external content.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.