Vulnerability Details CVE-2026-55175
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 45.6%
CVSS Severity
CVSS v3 Score 7.5
References
- https://github.com/spinnaker/spinnaker/commit/2d75818b85cc4c35144d5e5ed45e7340fcab5dfe
- https://github.com/spinnaker/spinnaker/commit/bbc30c9b9034a056e95f012fa1b34e9fd703cae7
- https://github.com/spinnaker/spinnaker/commit/de5a7a05af35aee19eb71d289cd0b77f67509009
- https://github.com/spinnaker/spinnaker/commit/df32d568e82519d9f3896fc9007baba0077c87fd
- https://github.com/spinnaker/spinnaker/commit/f5cec213f8cf207843ed5a6929395960a1ca094f
- https://github.com/spinnaker/spinnaker/releases/tag/rosco-2025.3.4
- https://github.com/spinnaker/spinnaker/releases/tag/rosco-2025.4.4
- https://github.com/spinnaker/spinnaker/releases/tag/rosco-2026.0.3
- https://github.com/spinnaker/spinnaker/releases/tag/rosco-2026.1.1
- https://github.com/spinnaker/spinnaker/releases/tag/rosco-2026.2.0
- https://github.com/spinnaker/spinnaker/security/advisories/GHSA-p68j-q7hf-3qcp
Products affected by CVE-2026-55175
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cpe:2.3:a:linuxfoundation:spinnaker:2025.4.0
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cpe:2.3:a:linuxfoundation:spinnaker:2025.4.1
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cpe:2.3:a:linuxfoundation:spinnaker:2025.4.2
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cpe:2.3:a:linuxfoundation:spinnaker:2025.4.3
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cpe:2.3:a:linuxfoundation:spinnaker:2026.0.0
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cpe:2.3:a:linuxfoundation:spinnaker:2026.0.1
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cpe:2.3:a:linuxfoundation:spinnaker:2026.0.2
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cpe:2.3:a:linuxfoundation:spinnaker:2026.1.0