Vulnerability · Published Sep 3, 2026 · Assigned by VulnCheck
CVE-2026-85180Ollama 0.30.0 through 0.33.2 SSRF via Cross-Host Tensor Blob Redirect
High 7.5
In plain English
A high-severity server-side request forgery in ollama from ollama. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.5%top 57.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
References
- GitHub Issue #17041 issue-tracking
- https://github.com/ollama/ollama product
- x/transfer/download.go at v0.33.2 technical-description
- VulnCheck Advisory: Ollama 0.30.0 through 0.33.2 SSRF via Cross-Host Tensor Blob Redirect third-party-advisory