CVE-2026-85180
Ollama 0.30.0 through 0.33.2 SSRF via Cross-Host Tensor Blob Redirect
- State
- Published
- Severity
- 8.7 High
- Published
- Sep 3, 2026
- Updated
- Sep 24, 2026
- Reserved
- Sep 3, 2026
Description
Ollama fails to validate redirect destinations when pulling tensor-layer models, allowing unauthenticated attackers to redirect blob downloads to arbitrary hosts. An attacker can control a registry, serve a malicious tensor-layer manifest, and cause the server to issue GET requests to internal hosts including cloud metadata endpoints.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | VulnCheck |
Weaknesses
- CWE-918 Server-Side Request Forgery (SSRF)
Affected Products
| Product | Versions |
|---|---|
ollamaollama |
|
References
- GitHub Issue #17041issue-tracking
- https://github.com/ollama/ollamaproduct
- x/transfer/download.go at v0.33.2technical-description
- VulnCheck Advisory: Ollama 0.30.0 through 0.33.2 SSRF via Cross-Host Tensor Blob Redirectthird-party-advisory
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