---
title: "CVE-2026-79957: ServiceNext - Broken Access Control"
description: "ServiceNext contains an insecure direct object reference (IDOR) caused by lack of verification that the authenticated token matches the requested user ID in /api/Usuario/GetUsuarios, letting authenticated users access other users' full profiles including cleartext passwords, exploit requires authentication."
url: https://panop.io/threat-heartbeat/CVE-2026-79957/
---

# CVE-2026-79957 ServiceNext - Broken Access Control

ServiceNext contains an insecure direct object reference (IDOR) caused by lack of verification that the authenticated token matches the requested user ID in /api/Usuario/GetUsuarios, letting authenticated users access other users' full profiles including cleartext passwords, exploit requires authentication.

CVSS base score 8.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-79957)

## Details

Type

Broken Access Control

Impact

Information Disclosure, Broken Access Control

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Published

14 October 2026

Updated

15 October 2026

Weakness

[CWE-639](https://cwe.mitre.org/data/definitions/639.html)

## Vendor fix

Update to the latest version with proper access control checks.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-79957](https://nvd.nist.gov/vuln/detail/CVE-2026-79957)
- [https://blog.blacklanternsecurity.com/p/cve-2026-79957-insecure-direct-object](https://blog.blacklanternsecurity.com/p/cve-2026-79957-insecure-direct-object)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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