Cleartext Transmission of Sensitive Information Affecting rancher-fleet package, versions <0.15.4-r2


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.21% (12th percentile)

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  • Snyk IDSNYK-WOLFILATEST-RANCHERFLEET-17812458
  • published4 Jul 2026
  • disclosed17 Jul 2026

Introduced: 4 Jul 2026

NewCVE-2026-48978  (opens in a new tab)
CWE-319  (opens in a new tab)
CWE-918  (opens in a new tab)

How to fix?

Upgrade Wolfi rancher-fleet to version 0.15.4-r2 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 Wolfi. See How to fix? for Wolfi relevant fixed versions and status.

oras-go is a Go library for managing OCI artifacts. Prior to 2.6.1, auth.Client follows the realm URL from a registry's WWW-Authenticate: Bearer challenge without validating the scheme or host, allowing a malicious or compromised registry to cause SSRF to internal networks such as http://169.254.169.254/, http://10.0.0.x/, and http://127.0.0.1/, or to downgrade a registry contacted over https:// to an http:// token endpoint in registry/remote/auth/client.go through Client.Do(), Client.fetchBearerToken(), fetchDistributionToken, and fetchOAuth2Token. This issue is fixed in version 2.6.1.

CVSS Base Scores

version 3.1