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CVE-2026-86090— ntopng before 6.7.260717 Missing Authorization on the Notification Endpoint and Recipient Delete Handlers

Quick assessment

Affected
ntop ntopng
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ntopng 在 6.7.260717 之前的版本中，其删除端点及 recipients REST v2 处理器未能正确执行授权检查。经过认证的非管理员用户可以向这些端点发送 POST 请求，不可逆地删除所有已配置的通知端点和接收者，从而导致所有告警被静默（即所有告警通知被阻止）。

CVSS 7.1 · High

Possible ATT&CK Techniques 2 AI

T1079 T1595.001 · Scanning IP Blocks
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I. Basic Information for CVE-2026-86090

Vulnerability Information
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Vulnerability Title
ntopng before 6.7.260717 Missing Authorization on the Notification Endpoint and Recipient Delete Handlers
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
ntop ntopng 0 ~ 6.7.260717 -

II. Public POCs for CVE-2026-86090

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III. Intelligence Information for CVE-2026-86090

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Patches & Fixes for CVE-2026-86090 (1)

Vendor Advisories for CVE-2026-86090 (2)

Proof of Concept for CVE-2026-86090 (1)

Other References for CVE-2026-86090 (1)

Same Patch Batch · ntop · 2026-09-04 · 3 CVEs total

CVE-2026-86098 7.4 HIGH ntop nDPI before 6.0 Heap Buffer Overflow via ndpi_json_string_escape
CVE-2026-86091 7.1 HIGH ntopng before 6.7.260717 Missing Authorization on the Host Pool Bulk Delete Handler

IV. Related Vulnerabilities

Same product: ntopng
Same vendor: ntop
Same weakness: CWE-862

V. Comments for CVE-2026-86090

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