High severity7.5NVD Advisory· Published Sep 3, 2026

CVE-2026-85180

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.

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Affected products

Ollama/Ollamallm-fuzzy

Patches

Vulnerability mechanics

References

github.com/ollama/ollama/blob/v0.33.2/x/transfer/download.gonvd
github.com/ollama/ollama/issues/17041nvd
www.vulncheck.com/advisories/ollama-0.30.0-through-0.33.2-ssrf-via-cross-host-tensor-blob-redirectnvd

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