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CVE-2026-47781— pdm: Project-Controlled `.pdm-plugins` Content Executes Before CLI Parsing

Quick assessment

Affected
pdm-project pdm
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

PDM是PDM组织的一款产品数据管理解决方案。 PDM 2.26.9及之前版本存在安全漏洞，该漏洞源于初始化期间自动加载项目本地插件，可能导致攻击者控制的文件执行任意Python代码。

CVSS 8.4 · High EPSS 0.19% · P8

Affected Version Matrix 1

VendorProduct Version RangeStatus
pdm-project pdm < 2.27.0 affected
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I. Basic Information for CVE-2026-47781

Vulnerability Information
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Vulnerability Title
pdm: Project-Controlled `.pdm-plugins` Content Executes Before CLI Parsing
Source: CVE Program / CVE List V5
Vulnerability Description
PDM is a Python package and dependency manager. In versions up to and including 2.26.9, PDM automatically loads project-local plugins from a .pdm-plugins directory during initialization, allowing an attacker-controlled file in an untrusted repository checkout to execute arbitrary Python code before any command is parsed. This happens because load_plugins() runs during Core.init() and adds .pdm-plugins via site.addsitedir(), which processes .pth files and immediately executes any line beginning with import, so the code runs with the privileges of the user invoking pdm and even a benign command such as pdm --version triggers it (making the impact strongest in CI, automation, and privileged contexts). The issue is fixed in version 2.27.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
从非可信控制范围包含功能例程
Source: CVE Program / CVE List V5
Vulnerability Title
PDM 软件供应链问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PDM是PDM组织的一款产品数据管理解决方案。 PDM 2.26.9及之前版本存在安全漏洞，该漏洞源于初始化期间自动加载项目本地插件，可能导致攻击者控制的文件执行任意Python代码。
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
pdm-project pdm < 2.27.0 -

II. Public POCs for CVE-2026-47781

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 9089 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-47781

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Vendor Advisories for CVE-2026-47781 (1)

Vendor Pages for CVE-2026-47781 (1)

Same Patch Batch · pdm-project · 2026-08-04 · 3 CVEs total

CVE-2026-47764 8.4 HIGH pdm: Path traversal in wheel installation via overridden write_to_fs
CVE-2026-47763 6.8 MEDIUM pdm: Project-Local State and Config Writes Follow Symlinks

IV. Related Vulnerabilities

Same product: pdm
Same vendor: pdm-project
Same weakness: CWE-829

V. Comments for CVE-2026-47781

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