Improper Certificate Validation Affecting github.com/rancher/fleet/internal/helmdeployer package, versions >=0.9.0-rc.1 <0.10.12>=0.11.0-rc.1 <0.11.7>=0.12.0-rc.1 <0.12.2
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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMRANCHERFLEETINTERNALHELMDEPLOYER-10292125
- published2 Jun 2025
- disclosed25 Apr 2025
- creditUnknown
Introduced: 25 Apr 2025
CVE-2025-23390 Â (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade github.com/rancher/fleet/internal/helmdeployer to version 0.10.12, 0.11.7, 0.12.2 or higher.
Overview
Affected versions of this package are vulnerable to Improper Certificate Validation during SSH connections if the certificate isn’t set in the known_hosts file. An attacker can intercept and manipulate data by positioning themselves between the client and server, effectively conducting a man-in-the-middle attack.