CVE-2026-44795

Spinnaker: Non-safe yaml deserialization allowing RCE when using specific types

Published Jul 10, 2026 CVSS 3.1 · 8.8 High EPSS 1.0% KEV · Not listed
Description
Spinnaker is an open source, multi-cloud continuous delivery platform. Prior to 2026.1.0, 2026.0.3, 2025.4.4, and 2025.3.3, unsafe YAML processing bypasses safe deserialization when using CloudFormation deployments or CloudFoundry baking. The use of a non-safe constructor allows arbitrary loading of Java classes, leading to remote code execution. This issue is fixed in versions 2026.1.0, 2026.0.3, 2025.4.4, and 2025.3.3.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-c8q4-9h32-2ww8 Spinnaker has non-safe yaml deserialization, allowing RCE when using specific types
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Spinnaker
Spinnaker spinnaker
Vendors & Products Spinnaker
Spinnaker spinnaker
Type Values Removed Values Added
Description Spinnaker is an open source, multi-cloud continuous delivery platform. Prior to 2026.1.0, 2026.0.3, 2025.4.4, and 2025.3.3, unsafe YAML processing bypasses safe deserialization when using CloudFormation deployments or CloudFoundry baking. The use of a non-safe constructor allows arbitrary loading of Java classes, leading to remote code execution. This issue is fixed in versions 2026.1.0, 2026.0.3, 2025.4.4, and 2025.3.3.
Title Spinnaker: Non-safe yaml deserialization allowing RCE when using specific types
Weaknesses CWE-470
CWE-502
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jul 15, 2026, 3:59 AM
Reserved
May 7, 2026, 7:20 PM
Status
Analyzed
Published
Jul 10, 2026, 10:16 PM
Modified
Jul 21, 2026, 2:01 PM