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Advisories

Ollama 0.30.0 through 0.33.2 SSRF via Cross-Host Tensor Blob Redirect

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severity
high
date
Affecting

  • ollama <= 0.33.2

CWE
  • CWE-918 Server-Side Request Forgery (SSRF)
CVSS
8.7
CVSS V4 Vector
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
Credit
George Chen
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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