SSRF in Ollama
CVE-2026-85180
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.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (41.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
Weakness classification (CWE)
References
- github.com/ollama/ollama (product)
- x/transfer/download.go at v0.33.2 (technical-description)
- GitHub Issue #17041 (issue-tracking)
- VulnCheck Advisory: Ollama 0.30.0 through 0.33.2 SSRF via Cross-Host Tensor Blob Redirect (third-party-advisory)
Frequently asked questions
- What is CVE-2026-85180?
- CVE-2026-85180 is a high-severity vulnerability in Ollama, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.5/10. Published 2026-09-03.
- How severe is CVE-2026-85180?
- High severity. CVSS v3 base score is 7.5 out of 10.