Download of Code Without Integrity Check Affecting github.com/ollama/ollama/app/updater package, versions >=0.0.1 <0.23.3-rc0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMOLLAMAOLLAMAAPPUPDATER-16427171
- published6 May 2026
- disclosed29 Apr 2026
- creditBartłomiej Dmitruk
Introduced: 29 Apr 2026
CVE-2026-42249 Â (opens in a new tab)How to fix?
Upgrade github.com/ollama/ollama/app/updater to version 0.23.3-rc0 or higher.
Overview
Affected versions of this package are vulnerable to Download of Code Without Integrity Check in the update process due to improper handling of attacker-controlled HTTP response headers. An attacker can achieve arbitrary code execution by influencing update responses to inject path traversal sequences into HTTP headers, causing files to be written outside the intended directory, such as the Windows Startup folder.