CVE-2025-8959 Affecting rancher-fleet package, versions <0.13.0-r3


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.04% (13th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-RANCHERFLEET-12099192
  • published21 Aug 2025
  • disclosed15 Aug 2025

Introduced: 15 Aug 2025

NewCVE-2025-8959  (opens in a new tab)

How to fix?

Upgrade Chainguard rancher-fleet to version 0.13.0-r3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rancher-fleet package and not the rancher-fleet package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

HashiCorp's go-getter library subdirectory download feature is vulnerable to symlink attacks leading to unauthorized read access beyond the designated directory boundaries. This vulnerability, identified as CVE-2025-8959, is fixed in go-getter 1.7.9.