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CVE-2025-71425— Contrast before 1.8.1 Information Disclosure via Logging

Quick assessment

Affected
edgelesssys contrast
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Contrast（由 Edgeless Systems 开发）1.8.1 之前的版本在将 Contrast 初始化程序（initializer）的日志级别配置为 info 或 debug 时，会将工作负载密钥（workload secret）记录到标准错误输出（stderr），进而写入 Kubernetes 日志中。由于 info 是默认日志级别，因此所有未自定义初始化程序日志级别的安装均受到影响。 这会导致原本仅对 Contrast 协调器（Coordinator）、初始化程序、种子共享持有者（seedshare

CVSS 7.3 · High EPSS 0.19% · P8

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2025-71425

Vulnerability Information
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Vulnerability Title
Contrast before 1.8.1 Information Disclosure via Logging
Source: CVE Program / CVE List V5
Vulnerability Description
Contrast (Edgeless Systems) before 1.8.1 logs the workload secret to stderr, and thus to Kubernetes logs, when the Contrast initializer is configured with CONTRAST_LOG_LEVEL set to info or debug. Because info is the default, all installations that do not customize the initializer log level are affected. This exposes workload secrets — normally accessible only to the Contrast Coordinator, the initializer, the seedshare owner, and the workload owner — to Kubernetes users with get or list permission on pods/logs and to anyone with read access to the Kubernetes log storage, such as the cloud provider. Deployments that do not use workload secrets are unaffected.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过日志文件的信息暴露
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
edgelesssys contrast 0 ~ 1.8.1 -

II. Public POCs for CVE-2025-71425

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III. Intelligence Information for CVE-2025-71425

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Vendor Advisories for CVE-2025-71425 (1)

Other References for CVE-2025-71425 (1)

Same Patch Batch · edgelesssys · 2026-09-27 · 11 CVEs total

CVE-2026-100839 8.4 HIGH Contrast before 1.18.0 AML Injection Remote Code Execution
CVE-2026-100833 8.2 HIGH Contrast before 1.23.1 Image Substitution via Policy Generation
CVE-2026-100838 8.1 HIGH Contrast before 1.19.1 CopyFile Policy Symlink Subversion
CVE-2026-100835 7.4 HIGH Contrast before 1.16.0 Remote Attestation Relay Attack
CVE-2025-71423 7.3 HIGH Edgelesssys Contrast before 1.12.2 Workload Secrets Information Disclosure
CVE-2025-71426 7.1 HIGH Contrast before 1.4.1 Coordinator Impersonation via Unauthenticated Recovery
CVE-2025-71422 5.7 MEDIUM Contrast before 1.12.1 Insecure LUKS2 Persistent Storage
CVE-2026-100836 4.3 MEDIUM Edgeless Systems Contrast through 1.20.0 Denial of Service via ciphertextContainer
CVE-2026-100837 3.7 LOW Edgeless Systems Contrast through 1.20.0 Credential Leak via Registry Suffix Matching
CVE-2025-71424 3.5 LOW Edgeless Systems Contrast before 1.9.1 Insecure Volume Mount

IV. Related Vulnerabilities

Same product: contrast
Same vendor: edgelesssys
Same weakness: CWE-532

V. Comments for CVE-2025-71425

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