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Vexa is built for the buyer whose question is not “which cloud?” but “how do we run this without a cloud?” — banks, healthcare, government, and anyone whose meeting content cannot transit a vendor’s infrastructure. This page collects what a security review asks for.

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Deployment posture

  • Self-hosted, single perimeter. Every service — capture bots, transcription, storage, agents, the web workbench — runs on infrastructure you control (Deployment, Kubernetes). Services bind to loopback; the gateway is the one front door.
  • Air-gapped / zero egress. Nothing phones home. Pair the stack with the self-hosted GPU transcription unit and your own LLM endpoint and no request leaves your network.
  • Bring your own models. LLM and speech-to-text endpoints are configuration (Configuration); credential terms are documented in Model credentials & licensing.
  • Own, don’t rent. Apache-2.0. Transcripts and derived knowledge are Markdown in a git repo you hold — leaving the product does not orphan the data.

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Trust model

  • Agents are untrusted by design. They are prompt-injectable, so they enforce nothing themselves. Every agent runs in an isolated, ephemeral container with no egress except brokered tools, scoped to only the workspaces it was granted — agents never run in the control plane. See Identity & trust.
  • Trusted vs untrusted input. You, in chat, write to the workspace directly (git is the undo). Untrusted input — an email, a web page — runs propose-only: the agent suggests, a human approves, trusted code applies. Irreversible effects (send, order) are always gated. See Governance.
  • Identity at the edge. The gateway derives identity from your API key server-side; internal services trust only the gateway’s asserted identity, not client-supplied fields.

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Audit artifacts in the repo

ArtifactWhat it gives a reviewer
architecture.calm.jsonMachine-readable architecture (FINOS CALM): every service, data carrier, and flow — drift-gated in CI. See Architecture as Code.
SECURITY.mdVulnerability reporting policy and contact.
security-insights.ymlOpenSSF Security Insights manifest.
license-exceptions.jsonFINOS license gating: deps are Category-A permissive; every exception is explicit and reasoned.
LICENSEApache-2.0.
CI gatesIsolation, contract seals, config contract, license audit, and a full-stack readiness proof run on every push (scripts/gates.mjs).

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Known gaps (honest)

At-rest encryption for workspaces, transcripts, and tokens is planned, not shipped — today you bring your own disk/volume encryption. Mid-call bot control endpoints are not wired in the open-core stack. Track both on the status page.

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Reporting a vulnerability

Follow SECURITY.md — report privately to the maintainer contact listed there; please do not open public issues for security reports.