vulnerability / NVI-00005577 / Revision 1

Arbitrary shell execution

OSV carries this publisher advisory for squizlabs/php_codesniffer. This is an aggregated source copy; consult the original publisher and compare update dates.

source listedactiveGHSA-3988-h75v-hwf6

This report has not inspected your inventory, configuration, deployed build, reachability or evidence. A catalog listing and a severity score do not establish exposure or compromise.

01 / Meaning

Why it matters

Published affected context helps an owner decide what evidence to gather. This report has not examined your application.

02 / Applicability

The affected context

Affected versions, configuration prerequisites and known exclusions are public. Confirm each one against the deployed service.

squizlabs/php_codesniffer

source listed

ECOSYSTEM: introduced 3.0.0; fixed 3.0.1

A properly crafted filename would allow for arbitrary code execution when using the --filter=gitmodified command line option

GitHub Advisory Database via OSV

03 / Response

What to do next

vendor patch
The original advisory lists fixed boundaries 3.0.1 for squizlabs/php_codesniffer. Confirm the publisher’s latest guidance.
Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system. GitHub Advisory Database via OSV

A fixed release is not deployment evidence.

Check current vendor support and compatibility. After making a change, verify the deployed build and relevant runtime conditions. Keep the evidence, owner and time. An updated lockfile alone does not prove what is running.

04 / Limits

What this report cannot establish

Customer inventory, deployment, reachability and exploitation have not been inspected.

Read the collection and interpretation limits ↗

05 / Provenance

Sources you can inspect

Each assertion retains its source. Mirrored records may repeat one underlying publisher; additional links are not independent corroboration.

GHSA-3988-h75v-hwf6 ↗
GitHub Advisory Database via OSV · vendor advisory
Observed Oct 31, 2026. GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.

Public revision history

Only published revisions appear here. Routine fetches do not create a material-change event.

Revision 1 · Oct 31, 2026
First indexed by Null; source disclosure date is shown separately.

Read the public revision data ↗