CVE-2026-5530 Ollama Model Pull API download.go server-side request forgery
Remote attackers can exploit the Model Pull API to perform server-side request forgery, potentially accessing internal resources.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-5530?
CVE-2026-5530 is a medium-severity server-side request forgery vulnerability in Ollama, published on 5 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A flaw has been found in Ollama up to 0.18.1. This issue affects some unknown processing of the file server/download.go of the component Model Pull API. Executing a manipulation can lead to server-side request forgery. The attack can be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.
Weakness: CWE-918
Which versions are affected by CVE-2026-5530?
How do I fix CVE-2026-5530?
No fix has been published for CVE-2026-5530 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-5530 being exploited?
There is no known exploitation of CVE-2026-5530 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-r4wp-gg33-whwg.