# CVE-2026-94290

Privilege escalation in Rancher Fleet lets users run admin workloads on the management cluster.

- Page: https://www.vulneraibility.com/cve/CVE-2026-94290
- CVSS: 9.1
- Known exploited: not in CISA KEV as of our last sync
- EPSS: 0.50% (percentile 42.9)
- CISA SSVC: exploitation none, automatable no, technical impact total (assessed 2026-11-02)
- Weakness: CWE-250
- Also known as: GHSA-qfmw-gw96-ffcr
- Published: 2026-11-02

## Affected versions

- SUSE Rancher: affected >= 0.16.0 and < 0.16.3; >= 0.15.0 and < 0.15.8; >= 0.14.0 and < 0.14.12; >= 0.13.0 and < 0.13.17

A version outside these ranges is not a statement that it is unaffected.

## Impact

A malicious/unauthorized Fleet Cluster can reference an admin kubeconfig, enabling controller to execute arbitrary workloads on the management cluster with admin privileges.

## Action

Immediate action required

## Recommendation

Block untrusted kubeconfig secrets, restrict secret access, rotate admin creds, and upgrade Fleet when vendor patch is published.

## References

- [advisory] https://github.com/rancher/fleet/security/advisories/GHSA-qfmw-gw96-ffcr

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.