Deserialization in Spinnaker
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 mani…
Vulnerability class: Insecure Deserialization
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Spinnaker — versions >= 2026.1.0, < 2026.1.1, >= 2026.0.0, < 2026.0.3, >= 2025.4.0, < 2025.4.4
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-55175?
- CVE-2026-55175 is a high-severity vulnerability in Spinnaker, classified under Deserialization of Untrusted Data. CVSS score: 7.5/10. Published 2026-07-10.
- How severe is CVE-2026-55175?
- High severity. CVSS v3 base score is 7.5 out of 10.