Prompt injection in DeepSeek (dsh) context-compaction feature
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-94.
Summary
DeepSeek (dsh) at commit c291e796 is affected. An issue in its context-compaction feature lets attackers run a prompt injection attack through crafted external content (CWE-94). A remote attacker without privileges can trigger it if a user interacts with the crafted content, with high impact to confidentiality, integrity and availability.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for DeepSeek (dsh).
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Timeline
- 2026-10-16 Threatist record created from CVE-2026-95183
- 2026-10-21 Alias added: GHSA-8rmg-g7v9-j8x6
- 2026-10-21 CVSS score added · CISA ADP
- 2026-10-21 Weakness changed · CISA ADP
- 2026-10-21 CISA SSVC decision points changed
- 2026-10-22 Priority changed: LOW → MEDIUM
References
Sources
- CVE-2026-95183 · CVE Program
- CVE-2026-95183 · NVD
- FIRST EPSS
- GHSA-8rmg-g7v9-j8x6 · GitHub Advisory Database · CC BY 4.0
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