CVE-2026-86090: high-severity vulnerability in ntopng
ntopng before 6.7.260717 Missing Authorization on the Notification Endpoint and Recipient Delete Handlers
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.1epss 0.5%
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:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
Affected products
ntop · ntopngRelated CVEs — ntopng
In the same product, most dangerous first.
CVE-2026-82412HIGHntopng: Remote Code Execution via OS Command Injection in Vulnerability-Scan REST APIEPSS 0.7%CVE-2026-83621HIGHntopng: Missing Authorization Check in REST API Allows Non-Admin Users to Tamper Threat Intelligence Blacklist URLsEPSS 0.5%CVE-2026-86091HIGHntopng before 6.7.260717 Missing Authorization on the Host Pool Bulk Delete HandlerEPSS 0.5%CVE-2026-84989HIGHntopng's Missing Authorization in REST API Allows Non-Admin Users to Delete and Rename Arbitrary TagsEPSS 0.4%CVE-2026-84990HIGHntopng: Missing Authorization on System Configuration Backup Download and ListingEPSS 0.3%CVE-2026-45448MEDIUMntopng - CWE-601: URL Redirection to Untrusted Site ('Open Redirect')EPSS 0.2%
References
https://github.com/ntop/ntopnghttps://github.com/ntop/ntopng/blob/f41cc1beff90e40e12bbc2cc135bdbf649ec559f/scripts/lua/rest/v2/delete/endpoints.luahttps://github.com/ntop/ntopng/blob/f41cc1beff90e40e12bbc2cc135bdbf649ec559f/scripts/lua/rest/v2/delete/recipients.luahttps://github.com/ntop/ntopng/commit/7d830f31af367745431c5d92e2e82fc432f6bdd8https://github.com/ntop/ntopng/security/advisories/GHSA-m22w-f647-vx88https://www.vulncheck.com/advisories/ntopng-before-6.7.260717-missing-authorization-on-the-notification-endpoint-and-recipient-delete-handlers