---
id: "CVE-2025-12523"
kind: "vulnerability"
aliases: ["CVE-2025-12523"]
title: "Users configuration endpoint leaks other users' data to any logged-in user"
severity: "medium"
cvss: 6.5
epss: null
exploited: false
status: "open"
category: "other"
products: []
ecosystems: []
tags: ["other", "users-api"]
not_affected_if: ["auth-required"]
published_at: "2026-10-29T17:17:55+00:00"
first_seen_at: "2026-10-29T17:26:16+00:00"
updated_at: "2026-10-29T17:27:59+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-12523", "first_seen_at": "2026-10-29T17:26:16+00:00"}]
---

# Users configuration endpoint leaks other users' data to any logged-in user

The users configuration endpoint does not check that the requester owns the object they ask for, so a signed-in user can read data belonging to other users. The attacker gets information disclosure, not code execution or account takeover.

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

## Timeline

- 2026-10-29T17:26:16+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2025-12523

## From the sources

Broken Object Level Authorization in Users Configuration Endpoint allows Information Disclosure to authenticated user

---

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