OS command injection in Ollama MCP Server
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-78.
Summary
Ollama MCP Server execAsync Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ollama MCP Server. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the execAsync method. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-27683.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- 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 |
|---|---|---|---|---|---|
| Ollama MCP Server | Ollama MCP Server | 80cf2e17cfc144963a475b619093a2d13c13dbc9 | — | No fix listed | CNA |
- Ollama MCP Server VendorOllama MCP Server Affected 80cf2e17cfc144963a475b619093a2d13c13dbc9 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-15063
- 2026-10-03 Alias added: GHSA-qgp8-r7w8-m3rv
References
Other 1
Sources
- CVE-2025-15063 · CVE Program
- CVE-2025-15063 · NVD
- FIRST EPSS
- GHSA-qgp8-r7w8-m3rv · GitHub Advisory Database · CC BY 4.0
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