CVE-2026-66016
Received Received - Intake

TLS Private Key Exposure in Self-Hosted Helm Configurations

Publication date: 2026-08-12

Last updated on: 2026-08-12

Assigner: JFrog

Description
Under specific self-hosted Helm configurations, generated TLS private keys may be retained in rendered manifests accessible to highly privileged local users.

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Meta Information

Published
2026-08-12
Last Modified
2026-08-12
Generated
2026-08-12
AI Q&A
2026-08-12
EPSS Evaluated
N/A
NVD
CVE-2026-66016
EUVD
EUVD-2026-57259

Affected Vendors & Products

Currently, no data is known.

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-312 The product stores sensitive information in cleartext within a resource that might be accessible to another control sphere.

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Executive Summary

Under specific self-hosted Helm configurations, generated TLS private keys may be retained in rendered manifests accessible to highly privileged local users.

Impact Analysis

Highly privileged local users could access TLS private keys, potentially leading to decryption of sensitive communications or impersonation of services.

Compliance Impact

This vulnerability could violate compliance requirements for data protection and encryption, such as GDPR's encryption standards or HIPAA's safeguards for protected health information.

Mitigation Strategies

Review Helm configurations to ensure TLS private keys are not retained in rendered manifests. Restrict access to privileged local users and regenerate any exposed keys.

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