HIGH 8.7 NVD
CVE-2026-85180
Ollama fails to validate redirect destinations when pulling tensor-layer models, allowing unauthenticated attackers to redirect blob downloads to arbitrary host
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.
References
- https://github.com/ollama/ollama
- https://github.com/ollama/ollama/blob/v0.33.2/x/transfer/download.go
- https://github.com/ollama/ollama/issues/17041
- https://www.vulncheck.com/advisories/ollama-0.30.0-through-0.33.2-ssrf-via-cross-host-tens
This high severity vulnerability with a CVSS score of 8.7 was published on 2026-09-03 via NVD.
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