---
id: "CVE-2026-67400"
kind: "vulnerability"
aliases: ["CVE-2026-67400"]
title: "Collabora-style WOPI endpoint leaks configuration details to user tokens"
severity: "low"
cvss: 3.5
epss: null
exploited: false
status: "open"
category: "other"
products: []
ecosystems: []
tags: ["other", "self-hosted", "wopi"]
not_affected_if: []
published_at: "2026-10-27T17:17:02+00:00"
first_seen_at: "2026-10-27T17:32:46+00:00"
updated_at: "2026-10-27T17:35:00+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-67400", "first_seen_at": "2026-10-27T17:32:46+00:00"}]
---

# Collabora-style WOPI endpoint leaks configuration details to user tokens

A missing token type check let a holder of a user or guest WOPI token retrieve extra details about the WOPI configuration. The sources do not name the product, and the exposed data is described only as additional configuration information.

_Summary, check and fix written by a model from the sources; labelled as such._

## Timeline

- 2026-10-27T17:32:46+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-67400

## From the sources

A missing token type check allowed to retrieve more additional information about the WOPI configuration with a user or guest token.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_