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CVE-2026-67434— PHP_CodeSniffer gitblame report command injection via crafted filename

Quick assessment

Affected
PHPCSStandards PHP_CodeSniffer
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.

PHPCSStandards PHP_CodeSniffer是PHPCSStandards组织的一款PHP代码规范检查工具。 PHPCSStandards PHP_CodeSniffer 3.13.6之前版本和4.0.0至4.0.2之前版本存在命令注入漏洞，该漏洞源于生成Gitblame、Hgblame和Svnblame报告格式时，对包含shell元字符的文件名处理不当，导致命令注入，可能执行攻击者控制的shell命令。

CVSS 7.3 · High EPSS 1.06% · P64

Affected Version Matrix 2

VendorProduct Version RangeStatus
PHPCSStandards PHP_CodeSniffer < 3.13.6 affected
>= 4.0.0, < 4.0.2 affected
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I. Basic Information for CVE-2026-67434

Vulnerability Information
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Vulnerability Title
PHP_CodeSniffer gitblame report command injection via crafted filename
Source: CVE Program / CVE List V5
Vulnerability Description
PHP_CodeSniffer tokenizes PHP files and detects violations of a defined set of coding standards. Prior to versions 3.13.6 and 4.0.2, PHP_CodeSniffer contains a command injection vulnerability in the code that generates the Gitblame, Hgblame, and Svnblame report formats. As a result, running PHP_CodeSniffer over untrusted files, for example in a continuous integration pipeline that scans pull requests, or on a developer machine reviewing third party code, could result in attacker controlled shell commands being executed when the Gitblame, Hgblame, or Svnblame report processes a file whose name contains shell metacharacters. Users using the default Full report, or any of the other non-blame reports, are not affected. Users on a runtime platform which does not allow filenames to contain shell metacharacters, such as " and ;, are not affected. This issue is fixed in versions 3.13.6 and 4.0.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
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
PHPCSStandards PHP_CodeSniffer 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PHPCSStandards PHP_CodeSniffer是PHPCSStandards组织的一款PHP代码规范检查工具。 PHPCSStandards PHP_CodeSniffer 3.13.6之前版本和4.0.0至4.0.2之前版本存在命令注入漏洞，该漏洞源于生成Gitblame、Hgblame和Svnblame报告格式时，对包含shell元字符的文件名处理不当，导致命令注入，可能执行攻击者控制的shell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
PHPCSStandards PHP_CodeSniffer < 3.13.6 -

II. Public POCs for CVE-2026-67434

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 7782 chars
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III. Intelligence Information for CVE-2026-67434

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Patches & Fixes for CVE-2026-67434 (3)

Vendor Advisories for CVE-2026-67434 (1)

Vendor Pages for CVE-2026-67434 (1)

Other References for CVE-2026-67434 (1)

IV. Related Vulnerabilities

Same vendor: PHPCSStandards
Same weakness: CWE-78

V. Comments for CVE-2026-67434

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