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.
History

Thu, 03 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 03 Sep 2026 14:30:00 +0000

Type Values Removed Values Added
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.
Title Ollama 0.30.0 through 0.33.2 SSRF via Cross-Host Tensor Blob Redirect
First Time appeared Ollama
Ollama ollama
Weaknesses CWE-918
CPEs cpe:2.3:a:ollama:ollama:*:*:*:*:*:*:*:*
Vendors & Products Ollama
Ollama ollama
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 8.7, '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-03T14:41:50.099Z

Reserved: 2026-09-03T11:08:17.526Z

Link: CVE-2026-85180

cve-icon Vulnrichment

Updated: 2026-09-03T14:41:34.012Z

cve-icon NVD

Status : Received

Published: 2026-09-03T15:17:39.250

Modified: 2026-09-03T15:17:39.250

Link: CVE-2026-85180

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-03T15:45:05Z