CVE-2026-67434

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.

CVSS 4.0

7.3CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS

1.1% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-25)

CWE

CWE-78

Published

2026-08-06

Modified

2026-10-24

Record from

the NVD, synced 2026-10-24

References

• https://github.com/PHPCSStandards/PHP_CodeSniffer/commit/7a3a6bbf153a03fa3a9413afc60bded6b764e76b
• https://github.com/PHPCSStandards/PHP_CodeSniffer/commit/f0e1ebb0563f0e5d7f190497a787bcaf8474f3fe
• https://github.com/PHPCSStandards/PHP_CodeSniffer/pull/1473
• https://github.com/PHPCSStandards/PHP_CodeSniffer/releases/tag/3.13.6
• https://github.com/PHPCSStandards/PHP_CodeSniffer/releases/tag/4.0.2

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