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CVE-2026-84990VulnerabilityPublished Updated

Ntopng: Prior to 6.7.260718, scripts/lua/rest/v2/get/system/configurations/list_available_backups.lua and…

Affects ntopngSource GCVE Database

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Authoritative record:CVE-2026-84990· High 8.8

Not known to be exploited · CVSS 8.8 High · fixed in 6.7.260718 : patch ntopng soon.

Data as of 9 Nov 2026, 13:54 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
Patch
Available – fixed in 6.7.260718
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 21 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 9 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Ubuntu 24.04 LTSntopngpkg:deb/ubuntu/ntopng?arch=source&distro=nobleOther threatsAffected
  • 5.2.1+dfsg1-1 – 5.2.1+dfsg1-1ubuntu4
4 affected builds
Fixed in–
Ubuntu 22.04 LTSntopngpkg:deb/ubuntu/ntopng?arch=source&distro=jammyOther threatsAffected
  • =5.2.1+dfsg1-1
Fixed in–
Ubuntu 20.04 LTSntopngpkg:deb/ubuntu/ntopng?arch=source&distro=focalOther threatsAffected
  • =3.8+dfsg1-2.1build3
Fixed in–
Ubuntu Pro 16.04 LTSntopngpkg:deb/ubuntu/ntopng?arch=source&distro=esm-apps/xenialOther threatsAffected
  • 1.2.1+dfsg1-2ubuntu1 – 2.2+dfsg1-1ubuntu0.1~esm2
5 affected builds
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade ntopng to version 6.7.260718 or later, where this vulnerability is fixed. No other mitigations are indicated by the vendor advisory.

Description

ntopng versions prior to 6.7.260718 contain a vulnerability in two Lua scripts that allow any authenticated non-admin user to list and download system-configuration backups without proper administrator checks. These backups include sensitive data such as password hashes, API tokens, TOTP secrets, and WebAuthn credentials, which could lead to account compromise. The issue is resolved in version 6.7.260718.

References

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