CVE-2026-55175
High
Description
Spinnaker is an open source, multi-cloud continuous delivery platform. Prior to versions 2026.1.1, 2026.0.3, 2025.4.4, and 2025.3.4 on their respective release lines, Kustomize bake operations allow unsafe YAML tag processing in rosco manifests. This can lead to remote code execution on rosco pods when performing Kustomize bakes. This issue is fixed in versions 2026.1.1, 2026.0.3, 2025.4.4, and 2025.3.4.
SeverityHigh
CVSS7.5
Exploit probability—
ProductLinuxfoundation Spinnaker
PublishedJul 10, 2026
First seenJul 10, 2026
Weakness typeCWE-502Deserialization of untrusted data
How to fix
Update
- linuxfoundation spinnaker2025.3.4, 2025.4.4, 2026.0.3, 2026.1.1 or later
- io.spinnaker.rosco:rosco-manifests2025.3.4, 2025.4.4, 2026.0.3, 2026.1.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linuxfoundation spinnaker | 2025.3.0 ≤ v < 2025.3.4, 2025.4.0 ≤ v < 2025.4.4, 2026.0.0 ≤ v < 2026.0.3, 2026.1.0 ≤ v < 2026.1.1 | 2025.3.4, 2025.4.4, 2026.0.3, 2026.1.1 |
| io.spinnaker.rosco:rosco-manifestsMaven | v < 2025.3.4, 2025.4.0 ≤ v < 2025.4.4, 2026.0.0 ≤ v < 2026.0.3, 2026.1.0 ≤ v < 2026.1.1 | 2025.3.4, 2025.4.4, 2026.0.3, 2026.1.1 |
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