Remote Code Execution Vulnerability in Spinnaker by Armory
CVE-2026-55175

7.5HIGH

Key Information:

Vendor

Spinnaker

Status
Spinnaker
Vendor
CVE Published:
10 July 2026

What is CVE-2026-55175?

Spinnaker, an open-source continuous delivery platform, has a vulnerability that impacts Kustomize bake operations, allowing unsafe YAML tag processing in rosco manifests. This flaw can lead to unauthorized remote code execution on rosco pods during Kustomize bakes. The issue has been addressed in the latest versions (2026.1.1, 2026.0.3, 2025.4.4, and 2025.3.4). Users are encouraged to update to these versions to mitigate any risks associated with this vulnerability.

Affected Version(s)

spinnaker >= 2026.1.0, < 2026.1.1 < 2026.1.0, 2026.1.1

spinnaker >= 2026.0.0, < 2026.0.3 < 2026.0.0, 2026.0.3

spinnaker >= 2025.4.0, < 2025.4.4 < 2025.4.0, 2025.4.4

References

https://github.com/spinnaker/spinnaker/security/advisorie...
x_refsource_CONFIRM
https://github.com/spinnaker/spinnaker/commit/2d75818b85c...
x_refsource_MISC
https://github.com/spinnaker/spinnaker/commit/bbc30c9b903...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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