CVE-2026-86090: Missing Authorization in ntop ntopng
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 v4.0
Score 7.1high
Affected software
ntop
ntopng
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-86090 is a vulnerability in ntopng prior to version 6.7.260717 where authorization checks are not enforced on the delete endpoints and recipients REST v2 handlers. This allows authenticated users with limited privileges to perform POST requests that irreversibly delete all notification endpoints and recipients configured in the system. The lack of proper authorization controls can lead to disabling alert notifications, impacting monitoring and response capabilities.
Potential Impact
The vulnerability allows authenticated non-administrator users to delete all notification endpoints and recipients, which can silence alerts. This can hinder the detection of network events or incidents that rely on these notifications, potentially delaying response to security issues. The impact is rated high due to the ability to disrupt alerting mechanisms.
Mitigation Recommendations
A fix is available in ntopng version 6.7.260717 and later. Users should upgrade to version 6.7.260717 or newer to remediate this vulnerability. No vendor advisory content was provided to indicate alternative mitigations or temporary fixes. Patch status is confirmed by the version range indicating fixed in 6.7.260717.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-09-04T20:47:17.962Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a9bf6b4acd9273b49bd4646
Added to database: 09/05/2026, 11:02:12 UTC
Last enriched: 09/14/2026, 22:41:05 UTC
Last updated: 10/20/2026, 18:48:24 UTC
Views: 82
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