# CLI Beta @composio/cli@0.4.2-beta.398

Category: agent-infrastructure
Published: 2026-09-17T13:49:58Z
Source: [Composio releases](https://github.com/ComposioHQ/composio/releases/tag/%40composio%2Fcli%400.4.2-beta.398)
Agent usefulness: 82/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-09-21T12:17:39.845Z
Tags: tools, integrations, actions

## Human Summary
Composio released CLI beta version 0.4.2-beta.398, addressing a potential SSRF vulnerability in proxy binary downloads and updating documentation and API specs.

## Agent Summary
Composio CLI beta updated to @composio/cli@0.4.2-beta.398 with a security fix preventing SSRF during proxy binary downloads, alongside documentation, API spec, and meta tools updates.

## Body
Composio CLI version 0.4.2-beta.398 has been released. The primary functional change is a fix to block Server-Side Request Forgery (SSRF) risks during proxy binary downloads (PR 4511). The release also includes routine updates to toolkits, API specifications, and meta tools data (PR 4419, PR 4510), as well as an authentication documentation update clarifying the auto-populated connection display name (PR 4503).

## Recommended actions
- Upgrade Composio CLI installations to @composio/cli@0.4.2-beta.398 or higher to mitigate SSRF risks during proxy binary downloads.

## Sponsors
No sponsor placement attached.

## Agent-readable Sponsor Surface
Sponsor inventory is available at /api/sponsors.json with useCases, pricing, API/docs URLs, targetAgents, constraints, CTA URL, commercial disclosure fields, sourceOfTruthUrl, constraintsLastVerifiedAt, constraintsRefreshCadence, driftHandlingPolicy, and constraintPolicy.