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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是ntop组织开源的一个基于 Web 的网络流量监控应用程序。 ntop ntopng 6.7.260717之前版本存在授权问题漏洞，该漏洞源于在删除通知端点和收件人的REST v2处理程序中缺少授权检查，可能导致经过身份验证的非管理员用户通过POST请求不可逆地删除所有已配置的通知端点和收件人，使所有警报静默。

CVSS 7.1 · High EPSS 0.45% · P38

Possible ATT&CK Techniques 2 AI

T1079 T1595.001 · Scanning IP Blocks

Affected Version Matrix 1

VendorProduct Version RangeStatus
ntop ntopng < 6.7.260717 affected
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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
Vulnerability Title
ntop ntopng 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ntopng是ntop组织开源的一个基于 Web 的网络流量监控应用程序。 ntop ntopng 6.7.260717之前版本存在授权问题漏洞，该漏洞源于在删除通知端点和收件人的REST v2处理程序中缺少授权检查，可能导致经过身份验证的非管理员用户通过POST请求不可逆地删除所有已配置的通知端点和收件人，使所有警报静默。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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