Security context

What an agent needs to avoid regressing past fixes and find the next vuln in this repo.

files-community/files

              main @ cc1491c
            

Fixes

CVEs

CRITICAL

Peak severity

Highlights

Argument Injection: 1 prior fix. Scrutinize any change in this area.

Files/Filesystem/StorageItems/ZipStorageFolder.cs: most-fixed (1 issue). Treat as high-risk during review.

4 high-severity fixes in this history; regressions here are high-impact.

Recurring patterns

The bug types that recur here, drawn from past fixes, not open vulnerabilities.

Sandbox Escape: Overly permissive IPC messaging interfaces exposed by the FullTrust process allow lower-privilege contexts to initiate arbitrary application launches and context menu handlers, leading to sandbox escapes.

Privilege Escalation: Exposing privileged installation operations over IPC channels creates a direct pathway for lower-privileged attackers to execute unauthorized, elevated installation actions.

Argument Injection: Failure to clear stale parameters from shared storage (LocalSettings) prior to executing elevated binaries allows attackers to inject arbitrary command-line arguments.