Download of Code Without Integrity Check Affecting github.com/ollama/ollama/app/updater package, versions >=0.0.1 <0.23.3-rc0


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.38% (30th percentile)

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  • Snyk IDSNYK-GOLANG-GITHUBCOMOLLAMAOLLAMAAPPUPDATER-16427275
  • published6 May 2026
  • disclosed29 Apr 2026
  • creditBartÅ‚omiej Dmitruk

Introduced: 29 Apr 2026

CVE-2026-42248  (opens in a new tab)
CWE-494  (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 via the verifyDownload() function that does not perform integrity or authenticity verification of downloaded update. An attacker can execute arbitrary code by supplying a malicious executable that is accepted and run during the automatic update procedure without integrity or authenticity checks. This is only exploitable if the application is running on Windows and automatic updates are enabled.

CVSS Base Scores

version 4.0
version 3.1