CVE-2025-15367— POP3 command injection in user-controlled commands
Quick assessment
Affected
Python Software Foundation CPython
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.
CPython是Python基金会的一个用C语言实现的Python解释器。 CPython存在安全漏洞，该漏洞源于传递用户控制的命令时可能通过换行符注入额外命令。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-15367
Vulnerability Information
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Vulnerability Title
POP3 command injection in user-controlled commands
Source: CVE Program / CVE List V5
Vulnerability Description
The poplib module, when passed a user-controlled command, can have
additional commands injected using newlines. Mitigation rejects commands
containing control characters.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
CPython 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CPython是Python基金会的一个用C语言实现的Python解释器。 CPython存在安全漏洞，该漏洞源于传递用户控制的命令时可能通过换行符注入额外命令。
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 |
|---|---|---|---|---|
| Python Software Foundation | CPython | 0 ~ 3.15.0a6 | - |
|
II. Public POCs for CVE-2025-15367
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Python Software Foundation · 2026-01-20 · 6 CVEs total
| CVE-2025-15366 | 5.9 MEDIUM | IMAP command injection in user-controlled commands |
| CVE-2026-0865 | wsgiref.headers.Headers allows header newline injection | |
| CVE-2025-15282 | Header injection via newlines in data URL mediatype | |
| CVE-2025-11468 | Folding email comments of unfoldable characters doesn't preserve parenthesis | |
| CVE-2026-0672 | Header injection in http.cookies.Morsel |
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V. Comments for CVE-2025-15367
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