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High severity · published Sep 4, 2026
CVE-2026-86090
ntopng before 6.7.260717 Missing Authorization on the Notification Endpoint and Recipient Delete Handlers
7.1
CVSS
0.5%
EPSS
No
On KEV
Description
ntopng before 6.7.260717 fails to perform authorization checks in the delete endpoints and recipients REST v2 handlers. Authenticated non-administrator users can issue POST requests to irreversibly delete all configured notification endpoints and recipients, silencing all alerts.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NT
ntopng · ntop
before 6.7.260717 · source: vendor
Affected product
NT
ntopng
ntop
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-86090
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-86090
github.com
https://github.com/ntop/ntopng
github.com
https://github.com/ntop/ntopng/blob/f41cc1beff90e40e12bbc2cc135bdbf649ec559f/scripts/lua/rest/v2/delete/endpoints.lua
github.com
https://github.com/ntop/ntopng/blob/f41cc1beff90e40e12bbc2cc135bdbf649ec559f/scripts/lua/rest/v2/delete/recipients.lua
github.com
https://github.com/ntop/ntopng/commit/7d830f31af367745431c5d92e2e82fc432f6bdd8
github.com
https://github.com/ntop/ntopng/security/advisories/GHSA-m22w-f647-vx88
www.vulncheck.com
https://www.vulncheck.com/advisories/ntopng-before-6.7.260717-missing-authorization-on-the-notification-endpoint-and-recipient-delete-handlers
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