Bug 2455147 (CVE-2026-5530)

Summary: CVE-2026-5530 ollama: Ollama: Server-Side Request Forgery via Model Pull API manipulation
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: asoldano, bbaranow, bmaxwell, bstansbe, ccranfor, dbosanac, dlofthou, dschmidt, erezende, istudens, ivassile, iweiss, janstey, jlanda, jpechane, jreimann, kshier, mdessi, mosmerov, mrizzi, msvehla, nwallace, pberan, pcattana, pesilva, pjindal, pmackay, rjohnson, rstancel, simaishi, smaestri, smcdonal, stcannon, teagle, thjenkin, vdosoudi, yguenane
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Fixed In Version: Doc Type: ---
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A flaw was found in Ollama. A remote attacker can exploit this vulnerability by manipulating the Model Pull API's `server/download.go` file. This can lead to Server-Side Request Forgery (SSRF), allowing the attacker to force the server to make requests to arbitrary network locations.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2455316, 2455317    
Bug Blocks:    

Description OSIDB Bzimport 2026-04-05 02:01:31 UTC
A flaw has been found in Ollama up to 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.