CVE-2026-55175

HIGH

Spinnaker: Improper yaml processing on kustomize bake operations

Title source: cna
STIX 2.1

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.

References (11)

Core 11
Core References

Scores

CVSS v3 7.5
EPSS 0.0062
EPSS Percentile 46.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-502
Status published
Products (5)
linuxfoundation/spinnaker 2025.3.0 - 2025.3.4
spinnaker/spinnaker < 2025.3.4
spinnaker/spinnaker >= 2025.4.0, < 2025.4.4
spinnaker/spinnaker >= 2026.0.0, < 2026.0.3
spinnaker/spinnaker >= 2026.1.0, < 2026.1.1
Published Jul 10, 2026
Tracked Since Jul 11, 2026