SSRF in Ollama
CVE-2026-108836
A vulnerability has been found in Ollama up to 0.34.1. The affected element is the function IsValid of the file types/model/name.go of the component Pull API. The manipulation leads to server-side request forgery. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.34.2 is sufficient to fix this issue. The identifier of the patch is dfabde4539e42ba1e1eab50a3a50b88aea7958a0. It is suggested to upgrade the affected component.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Ollama — versions 0.34.0, 0.34.1
Weakness classification (CWE)
References
- github.com/aLtEr6/test.git (related)
- github.com/aLtEr6/test/blob/main/test.pdf (exploit)
- github.com/ollama/ollama/ (product)
- github.com/ollama/ollama/commit/dfabde4539e42ba1e1eab50a3a50b88aea7958a0 (patch)
- github.com/ollama/ollama/pull/18512 (issue-tracking, patch)
- github.com/ollama/ollama/releases/tag/v0.34.2 (patch)
- vuldb.com/cve/CVE-2026-108836 (third-party-advisory)
- vuldb.com/submit/972855 (third-party-advisory)
- vuldb.com/vuln/416610 (technical-description, vdb-entry)
- vuldb.com/vuln/416610/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-108836?
- CVE-2026-108836 is a high-severity vulnerability in Ollama, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.3/10. Published 2026-10-12.
- How severe is CVE-2026-108836?
- High severity. CVSS v3 base score is 7.3 out of 10.