CVE-2025-32800— Conda-build vulnerable to supply chain attack vector due to pyproject.toml referring to dependencies not present in PyPI
Quick assessment
Affected
conda conda-build
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.
Conda-build是Conda开源的一个用于构建conda包的命令和工具。 Conda-build 25.3.0之前版本存在安全漏洞，该漏洞源于pyproject.toml中列出了未发布的依赖项，可能导致恶意代码注入。
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I. Basic Information for CVE-2025-32800
Vulnerability Information
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Vulnerability Title
Conda-build vulnerable to supply chain attack vector due to pyproject.toml referring to dependencies not present in PyPI
Source: CVE Program / CVE List V5
Vulnerability Description
Conda-build contains commands and tools to build conda packages. Prior to version 25.3.0, the pyproject.toml lists conda-index as a Python dependency. This package is not published in PyPI. An attacker could claim this namespace and upload arbitrary (malicious) code to the package, and then exploit pip install commands by injecting the malicious dependency in the solve. This issue has been fixed in version 25.3.0. A workaround involves using --no-deps for pip install-ing the project from the repository.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1357
Source: CVE Program / CVE List V5
Vulnerability Title
Conda-build 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Conda-build是Conda开源的一个用于构建conda包的命令和工具。 Conda-build 25.3.0之前版本存在安全漏洞，该漏洞源于pyproject.toml中列出了未发布的依赖项，可能导致恶意代码注入。
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 |
|---|---|---|---|---|
| conda | conda-build | < 25.3.0 | - |
|
II. Public POCs for CVE-2025-32800
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · conda · 2025-06-16 · 4 CVEs total
| CVE-2025-32797 | Conda-build Insecure Build Script Permissions Enabling Arbitrary Code Execution | |
| CVE-2025-32798 | Conda-build Allows Arbitrary Code Execution via Malicious Recipe Selectors | |
| CVE-2025-32799 | Conda-build Vulnerable to Path Traversal via Malicious Tar File |
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V. Comments for CVE-2025-32800
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