CVE-2026-55175Spinnaker: Improper yaml processing on kustomize bake operations

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.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• https://github.com/spinnaker/spinnaker/security/advisories/GHSA-p68j-q7hf-3qcp Third Party Advisory
• https://github.com/spinnaker/spinnaker/commit/2d75818b85cc4c35144d5e5ed45e7340fcab5dfe Patch
• https://github.com/spinnaker/spinnaker/commit/bbc30c9b9034a056e95f012fa1b34e9fd703cae7 Patch
• https://github.com/spinnaker/spinnaker/commit/de5a7a05af35aee19eb71d289cd0b77f67509009 Patch
• https://github.com/spinnaker/spinnaker/commit/df32d568e82519d9f3896fc9007baba0077c87fd Patch
• https://github.com/spinnaker/spinnaker/commit/f5cec213f8cf207843ed5a6929395960a1ca094f Patch
• https://github.com/spinnaker/spinnaker/releases/tag/rosco-2025.3.4 Release Notes
• https://github.com/spinnaker/spinnaker/releases/tag/rosco-2025.4.4 Release Notes
• https://github.com/spinnaker/spinnaker/releases/tag/rosco-2026.0.3 Release Notes
• https://github.com/spinnaker/spinnaker/releases/tag/rosco-2026.1.1 Release Notes
• https://github.com/spinnaker/spinnaker/releases/tag/rosco-2026.2.0 Release Notes