CVE-2026-44795
Published:June 22, 2026
Updated:June 25, 2026
Impact There's an unsafe YAML processing vulnerability that bypasses safe deserialization. This impacts users when when performing: * CloudFormation deployments * CloudFoundry Baking The usage of a non-safe constructor use allows arbitrary loading of Java classes leading to RCE. Patches 2025.3.3, 2026.0.3 and 2025.4.4. Workarounds Disable the CloudFormation system and cloudfoundry baking operations. Resources Join Spinnaker on Slack for more information!
Affected Packages
io.spinnaker.orca:orca-core (JAVA):
Affected version(s) >=2025.4-0 <2025.4.4Fix Suggestion:
Update to version 2025.4.4io.spinnaker.rosco:rosco-core (JAVA):
Affected version(s) >=main-5 <2025.3.3Fix Suggestion:
Update to version 2025.3.3io.spinnaker.rosco:rosco-core (JAVA):
Affected version(s) >=2026.0.0 <2026.0.3Fix Suggestion:
Update to version 2026.0.3io.spinnaker.rosco:rosco-core (JAVA):
Affected version(s) >=2025.4-0 <2025.4.4Fix Suggestion:
Update to version 2025.4.4io.spinnaker.orca:orca-core (JAVA):
Affected version(s) >=2026.0.0 <2026.0.3Fix Suggestion:
Update to version 2026.0.3io.spinnaker.orca:orca-core (JAVA):
Affected version(s) >=main-5 <2025.3.3Fix Suggestion:
Update to version 2025.3.3Related Resources (2)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.4
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
LOW
Subsequent System Integrity
HIGH
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
NONE