CVE-2026-5530: Server-Side Request Forgery in Ollama
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.
AI Analysis
Technical Summary
This vulnerability in Ollama (up to version 18.1) involves improper processing in the Model Pull API's file server/download.go component, leading to server-side request forgery. An attacker can remotely exploit this flaw without user interaction and with low attack complexity, leveraging limited privileges to induce the server to send crafted requests. The vulnerability does not require privileges escalation or user interaction but has low impact on confidentiality, integrity, and availability. The vendor has not issued any patch or advisory, and remediation status remains unknown.
Potential Impact
Successful exploitation could allow an attacker to cause the vulnerable Ollama server to make arbitrary HTTP requests, potentially accessing internal resources or services not directly accessible to the attacker. The impact on confidentiality, integrity, and availability is rated low, and the overall severity is medium. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vendor has not responded or provided a fix, users should monitor official channels for updates. Until a patch is available, consider restricting network access to the vulnerable component and applying network-level controls to limit outbound requests from the server hosting Ollama.
CVE-2026-5530: Server-Side Request Forgery in Ollama
Description
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.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Ollama (up to version 18.1) involves improper processing in the Model Pull API's file server/download.go component, leading to server-side request forgery. An attacker can remotely exploit this flaw without user interaction and with low attack complexity, leveraging limited privileges to induce the server to send crafted requests. The vulnerability does not require privileges escalation or user interaction but has low impact on confidentiality, integrity, and availability. The vendor has not issued any patch or advisory, and remediation status remains unknown.
Potential Impact
Successful exploitation could allow an attacker to cause the vulnerable Ollama server to make arbitrary HTTP requests, potentially accessing internal resources or services not directly accessible to the attacker. The impact on confidentiality, integrity, and availability is rated low, and the overall severity is medium. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vendor has not responded or provided a fix, users should monitor official channels for updates. Until a patch is available, consider restricting network access to the vulnerable component and applying network-level controls to limit outbound requests from the server hosting Ollama.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-04-04T06:29:38.195Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69d1f7600a160ebd92af7748
Added to database: 4/5/2026, 5:47:12 AM
Last enriched: 4/12/2026, 3:07:48 PM
Last updated: 5/19/2026, 9:11:36 PM
Views: 226
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