---
title: "CVE-2026-84990: ntopng - Broken Access Control"
description: "ntopng < 6.7.260718 contains a broken access control vulnerability caused by lack of administrator check in backup listing and download scripts, letting authenticated non-admin users download backups exposing sensitive credentials, exploit requires authentication."
url: https://panop.io/threat-heartbeat/CVE-2026-84990/
---

# CVE-2026-84990 ntopng - Broken Access Control

ntopng < 6.7.260718 contains a broken access control vulnerability caused by lack of administrator check in backup listing and download scripts, letting authenticated non-admin users download backups exposing sensitive credentials, exploit requires authentication.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.33% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-84990)

## Details

Type

Broken Access Control

Impact

Information Disclosure

CVSS vector

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

Published

21 September 2026

Updated

15 October 2026

Weakness

[CWE-200](https://cwe.mitre.org/data/definitions/200.html)

## Vendor fix

Update to version 6.7.260718 or later.

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-2026-84990](https://nvd.nist.gov/vuln/detail/CVE-2026-84990)
- [https://github.com/ntop/ntopng/commit/f912ee93bc143330b6ff3bb946ee7211e5ee9e1a](https://github.com/ntop/ntopng/commit/f912ee93bc143330b6ff3bb946ee7211e5ee9e1a)
- [https://github.com/ntop/ntopng/security/advisories/GHSA-7gqc-vjwr-6rh5](https://github.com/ntop/ntopng/security/advisories/GHSA-7gqc-vjwr-6rh5)

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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

Panop answers these inside your environment, for this CVE and every other finding.

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