CVE-2026-44300
Published:July 14, 2026
Updated:August 27, 2026
OpenCost contains an unauthenticated file write vulnerability in the "/serviceKey" endpoint that allows remote attackers to overwrite the GCP service account key file without authentication. This can lead to service disruption, credential theft, and potential privilege escalation within Kubernetes clusters. ***
Related Resources (2)
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Contact UsCVSS v4
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
9.1
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH