CVE-2026-93537 Path traversal in Fleet Helm valuesFiles allows disclosure of files outside the bundle directory
Attackers with GitRepo permissions can read arbitrary files from the processing environment, exposing sensitive configuration and credentials.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-93537?
CVE-2026-93537 is a medium-severity path traversal vulnerability in SUSE Rancher, published on 28 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A user who can supply bundle content to a repository referenced by a GitRepo resource, for example through Git push access, or through permission to create or modify a GitRepo, can cause SUSE Rancher Fleet to read files from the filesystem of the environment that processes the bundle and include their contents in the generated Bundle resource. This can expose configuration or credential material that the user has no Kubernetes RBAC permission to read, including Helm registry credentials made available to the bundle-processing job when per-path Helm credentials are configured. This affects Fleet 0.16 before 0.16.2, 0.15 before 0.15.7, 0.14 before 0.14.11, 0.13 before 0.13.16, 0.12 before 0.12.20 and potentially older unsupported versions.
Weakness: CWE-23
Which versions are affected by CVE-2026-93537?
It affects 1 product.
Products include Suse Rancher Fleet.
How do I fix CVE-2026-93537?
No fix has been published for CVE-2026-93537 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-93537 being exploited?
There is no known exploitation of CVE-2026-93537 in the wild and no public exploit code.
Other vulnerabilities in SUSE Rancher
- CVE-2026-44935 Rancher Fleet vulnerable to cross namespace secret disclosure via unvalidated `valuesFrom` references in Helm Deployer
- CVE-2026-41050 Helm impersonation bypass of `RESTClientGetter` retains `cluster-admin` during template rendering
- CVE-2026-88808 Privilege escalation in Rancher
- CVE-2026-44938 Fleet has PSS Bypass through addLabelsFromOptions in Fleet Agent
- CVE-2026-44937 SUSE Rancher Fleet had an Unauthenticated Webhook: Regex Injection via Unsanitized Repository URL Components
Sources
Also known as GHSA-wpfm-r97v-3j4h.