{"id":"CVE-2026-107809","published":"2026-10-09T16:17:25.387","lastModified":"2026-10-09T17:16:45.730","description":"Nginx UI is a web user interface for the Nginx web server. From 2.0.0 until 2.5.0, AuthRequired accepts a browser-managed token cookie as an API credential after the front end stores the JWT in that cookie. Because management endpoints do not universally require a CSRF token or perform Origin or Referer validation, a remote attacker can induce a logged-in administrator's browser to submit authenticated cross-site state-changing requests, including POST /api/configs. The attack requires an administrator account without OTP/Passkey or a target endpoint that does not require secure-session proof. The attacker cannot read the cross-origin response but can modify Nginx configuration, trigger reloads, or invoke other management operations reachable with the victim's session. This issue is fixed in version 2.5.0.","cvssScore":8.8,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwes":["CWE-352"],"vendors":[],"products":[],"references":[{"url":"https://github.com/0xJacky/nginx-ui/commit/a3999bd78a3b97ab22e6b5e9fd478ac57598a954","tags":[]},{"url":"https://github.com/0xJacky/nginx-ui/releases/tag/v2.5.0","tags":[]},{"url":"https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-33rr-wq23-g6gg","tags":[]}],"exploitRefs":[{"url":"https://github.com/0xJacky/nginx-ui/commit/a3999bd78a3b97ab22e6b5e9fd478ac57598a954","tags":[]},{"url":"https://github.com/0xJacky/nginx-ui/releases/tag/v2.5.0","tags":[]},{"url":"https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-33rr-wq23-g6gg","tags":[]}],"hasPoc":true,"ai":{"summary":"Nginx UI suffers from a Cross-Site Request Forgery (CSRF) vulnerability where authenticated administrators can be tricked into performing unauthorized actions through malicious web pages. This allows attackers to modify Nginx configurations and execute management operations using the victim's session.","exploitability":"The exploit is relatively easy to carry out as it requires only a logged-in administrator to visit a malicious page, with no additional authentication requirements like OTP or passkeys needed.","blast_radius":"The impact could be significant as attackers can modify critical Nginx configurations, trigger reloads, and execute other management operations that could disrupt services or compromise the web server environment.","remediation":"Upgrade to version 2.5.0 or later to address the CSRF vulnerability in Nginx UI.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["csrf","web","configuration","nginx"],"model":"garnet-coder","analyzedAt":"2026-10-13T08:51:46.500Z"}}