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← archivevulnerability · 25 Sep 2026 · 21:41 UTC

GHSA-j73w-8hfr-4gc9: CliInvoke: Argument Injection in Extensibility Runner Factory

VULNCVE-2026-100369source · GTH
HIGHHigh-risk vulnerability — CVSS 8.4

last 60 dispatches · spectrum

### Impact An argument-injection vulnerability exists in the `CliInvoke` package's runner factory: `RunnerProcessFactory` on the 2.x line and `RunnerConfigurationFactory` on the 3.x line. The factory joins the runner arguments, the caller's target, and the caller's arguments into a single `ProcessStartInfo.Arguments` string and hands it to the OS. The OS command-line parser re-tokenizes the string before the runner sees it. A double quote (`"`) in the target or in any argument closes the OS-level quoted region and lets the next character enter argv as a separate element. …

grounded ✓primary source ↗

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