CVE-2026-108836: Server-Side Request Forgery in Ollama
Description
CVE-2026-108836 is a server-side request forgery (SSRF) vulnerability in Ollama versions 0.34.0 and 0.34.1. It affects the IsValid function in the Pull API component, allowing remote attackers to manipulate requests. The vulnerability has a medium severity with a CVSS score of 6.9. A public exploit disclosure exists. Upgrading to version 0.34.2 resolves the issue.
CVSS v4.0
Score 6.9medium
Affected software
Ollama
cpe:2.3:a:ollama:ollama:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Ollama up to version 0.34.1 resides in the IsValid function of the Pull API component (file types/model/name.go). It allows remote attackers to perform server-side request forgery (SSRF), potentially causing the server to make unintended requests. The issue is fixed in version 0.34.2, with the patch identified by commit dfabde4539e42ba1e1eab50a3a50b88aea7958a0. The vulnerability has been publicly disclosed but no known exploits in the wild have been reported.
Potential Impact
An attacker can remotely exploit this SSRF vulnerability to induce the server to send crafted requests, which may lead to unauthorized internal network access or information disclosure depending on the server's network environment. The CVSS 4.0 score of 6.9 indicates a medium severity impact with low attack complexity and no privileges or user interaction required.
Mitigation Recommendations
Upgrade Ollama to version 0.34.2, which contains the official fix for this SSRF vulnerability. No other mitigation steps are indicated as the patch fully resolves the issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-10-11T11:49:12.150Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6accde4d2cdf04f65696c09c
Added to database: 10/12/2026, 13:19:09 UTC
Last enriched: 10/12/2026, 13:48:21 UTC
Last updated: 10/13/2026, 03:48:07 UTC
Views: 14
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