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CVE-2026-116197— Contrast 1.21.0 before 1.25.0 Credential Leak via imagepuller Wildcard Registry Selection

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.

Edgeless Systems Contrast 在 1.21.0 至 1.25.0（不含 1.25.0）版本中，其 imagepuller 组件存在一个非确定性的注册表选择缺陷。当拉取配置中同时包含具体域名及其父级通配符条目时，该缺陷可能导致系统优先选择通配符配置，从而将原本应仅适用于通配符的注册表凭证、CA 证书包或镜像设置错误地应用于具体注册表。此问题可能导致凭证泄露或拉取元数据暴露。

CVSS 2.6 · Low

Affected Version Matrix 2

VendorProduct Version RangeStatus
edgelesssys contrast 1.21.0< 1.25.0 affected
1.25.0 unaffected
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I. Basic Information for CVE-2026-116197

Vulnerability Information
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Vulnerability Title
Contrast 1.21.0 before 1.25.0 Credential Leak via imagepuller Wildcard Registry Selection
Source: CVE Program / CVE List V5
Vulnerability Description
Edgeless Systems Contrast from 1.21.0 before 1.25.0 contains a non-deterministic registry selection flaw in imagepuller that can prefer wildcard configuration entries over concrete domain matches. When a pull configuration lists both a concrete domain and its parent wildcard, registry credentials, CA bundles, or mirror settings intended for the wildcard may be applied to the concrete registry, leaking credentials or pull metadata.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1289
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
edgelesssys contrast 1.21.0 ~ 1.25.0 -

II. Public POCs for CVE-2026-116197

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III. Intelligence Information for CVE-2026-116197

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Vendor Advisories for CVE-2026-116197 (2)

IV. Related Vulnerabilities

Same product: contrast
Same vendor: edgelesssys
Same weakness: CWE-1289