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CVE-2026-8450— HTTP::Daemon versions before 6.17 for Perl allow OS command injection via send_file()

Quick assessment

Affected
OALDERS HTTP::Daemon
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.

HTTP::Daemon是libwww-perl开源的一个简单的HTTP类。 HTTP::Daemon 6.17之前版本存在安全漏洞，该漏洞源于send_file函数使用Perl的2-arg open方式打开字符串参数，可能导致OS命令注入。

AI Predicted 8.1 Difficulty: Easy EPSS 2.61% · P85

Affected Version Matrix 1

VendorProduct Version RangeStatus
OALDERS HTTP::Daemon < 6.17 affected
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I. Basic Information for CVE-2026-8450

Vulnerability Information
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Vulnerability Title
HTTP::Daemon versions before 6.17 for Perl allow OS command injection via send_file()
Source: CVE Program / CVE List V5
Vulnerability Description
HTTP::Daemon versions before 6.17 for Perl allow OS command injection via send_file(). send_file() opens its string argument with Perl's 2-arg open(). The 2-arg form interprets magic prefixes: '| cmd' and 'cmd |' open a pipe to a subprocess, '> path' and '>> path' open the path for write or append. Untrusted input passed to send_file() can run OS commands at the daemon process UID. The read-pipe form ('cmd |') also leaks subprocess stdout into the HTTP response body. The write-mode forms can create or truncate files at attacker chosen paths.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
HTTP::Daemon 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HTTP::Daemon是libwww-perl开源的一个简单的HTTP类。 HTTP::Daemon 6.17之前版本存在安全漏洞，该漏洞源于send_file函数使用Perl的2-arg open方式打开字符串参数，可能导致OS命令注入。
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
OALDERS HTTP::Daemon 0 ~ 6.17 -

II. Public POCs for CVE-2026-8450

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III. Intelligence Information for CVE-2026-8450

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Patches & Fixes for CVE-2026-8450 (3)

IV. Related Vulnerabilities

Same vendor: OALDERS
Same weakness: CWE-78

V. Comments for CVE-2026-8450

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