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CVE-2026-24845— malcontent's OCI image scanning could expose registry credentials

Quick assessment

Affected
chainguard-dev malcontent
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.

malcontent是Chainguard开源的一个供应链攻击检测工具。 malcontent 1.20.3之前版本存在安全漏洞，该漏洞源于扫描特制OCI镜像引用时可能暴露Docker注册表凭据。

CVSS 6.5 · Medium EPSS 0.38% · P30
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I. Basic Information for CVE-2026-24845

Vulnerability Information
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Vulnerability Title
malcontent's OCI image scanning could expose registry credentials
Source: CVE Program / CVE List V5
Vulnerability Description
malcontent discovers supply-chain compromises through. context, differential analysis, and YARA. Starting in version 0.10.0 and prior to version 1.20.3, malcontent could be made to expose Docker registry credentials if it scanned a specially crafted OCI image reference. malcontent uses google/go-containerregistry for OCI image pulls, which by default uses the Docker credential keychain. A malicious registry could return a `WWW-Authenticate` header redirecting token authentication to an attacker-controlled endpoint, causing credentials to be sent to that endpoint. Version 1.20.3 fixes the issue by defaulting to anonymous auth for OCI pulls.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的凭证保护机制
Source: CVE Program / CVE List V5
Vulnerability Title
malcontent 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
malcontent是Chainguard开源的一个供应链攻击检测工具。 malcontent 1.20.3之前版本存在安全漏洞，该漏洞源于扫描特制OCI镜像引用时可能暴露Docker注册表凭据。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
chainguard-dev malcontent >= 0.10.0, < 1.20.3 -

II. Public POCs for CVE-2026-24845

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III. Intelligence Information for CVE-2026-24845

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IV. Related Vulnerabilities

Same product: malcontent
Same vendor: chainguard-dev
Same weakness: CWE-522

V. Comments for CVE-2026-24845

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