High severity · published Jul 10, 2026
CVE-2026-55175
Spinnaker: Improper yaml processing on kustomize bake operations
7.5
CVSS
1.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 64% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SP
spinnaker · spinnaker
>= 2026.1.0, < 2026.1.1; >= 2026.0.0, < 2026.0.3; >= 2025.4.0, < 2025.4.4; < 2025.3.4 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-55175
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-55175
Patch
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
Release Notes
https://github.com/spinnaker/spinnaker/releases/tag/rosco-2025.3.4
More from spinnaker
9.9
CVE-2026-32613
Spinnaker vulnerable to RCE via expression parsing due to unrestricted context handling
9.9
CVE-2026-32604
Spinnaker vulnerable to RCE when using gitrepo artifact types due to improper sanitization of user input on branch and paths
8.8
CVE-2026-44795
Spinnaker: Non-safe yaml deserialization allowing RCE when using specific types