What’s Vulnerable › Vulnerabilities
CVE-2026-44936: Rancher Fleet SSRF in Bundle Reader via Unvalidated Helm Repository URL in fleet.yaml
- Severity: medium (CVSS 5.0 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2026-07-06 · updated 2026-10-25
- Weakness: CWE-918
Description
Missing filtering when the helmRepoURLRegex field isn't set on a GitRepo resource in SUSE Rancher Fleet's bundle reader in 0.15 before 0.15.2, 0.14 before 0.14.6, 0.13 before 0.13.11 and 0.12 before 0.12.15 forwards Helm authentication credentials (BasicAuth) to any URL specified in the helm.repo field of a fleet.yaml file, allowing attackers able to push to fleet monitored git repos to leak helm access credentials.
Affected products
- SUSE Fleet: from 0.12.0 before 0.12.15; from 0.13.0 before 0.13.11; from 0.14.0 before 0.14.6; from 0.15.0 before 0.15.2 — fixed in 0.12.15, 0.13.11, 0.14.6, 0.15.2
How to fix
Upgrade to a fixed version: SUSE Fleet 0.12.15, 0.13.11, 0.14.6, 0.15.2. Check the vendor advisory for mitigations.
References
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