{"id":"GHSA-2gc7-j998-5xx6","revision":null,"records":[{"revision":"f509e65ac4a14e4f80faf16ed46994fd","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-84314","aliases":[],"title":"Nginx UI: Account Takeover via Missing `RequireSecureSession` on User Management Endpoint","description":"Nginx UI is a web user interface for the Nginx web server. Prior to 2.4.1, the POST /api/users/:id user-management endpoint permits an authenticated user to change another user's password without passing RequireSecureSession, even though the self-service password-change path requires that step-up. An attacker with an authenticated account can change the initial administrator's password, invalidate existing administrator tokens, and then authenticate as the administrator. This issue is fixed in version 2.4.1.","state":0,"publishedAt":"2026-10-12T20:47:51.561+00:00","modifiedAt":"2026-10-13T17:32:02.947+00:00","affected":[{"ecosystem":"Vendor product","name":"nginx-ui","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"0xJacky\",\n                    \"product\": \"nginx-ui\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 2.4.1\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":8.7,"severity":"HIGH"}],"references":["https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-2gc7-j998-5xx6","https://github.com/0xJacky/nginx-ui/commit/23d1934099b05b2a01589b48129dc3d3159d91c2","https://github.com/0xJacky/nginx-ui/releases/tag/v2.4.1"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-84314","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-84314","identifiers":["CVE-2026-84314"]},"retained":false,"historicalAffected":[]},{"revision":"375d14e8e0984148988a468819e4404f","observedAt":"2026-11-07T15:21:48.46+00:00","statement":{"source":"euvd","id":"EUVD-2026-97862","aliases":["CVE-2026-84314","GHSA-2gc7-j998-5xx6"],"title":"Nginx UI is a web user interface for the Nginx web server. Prior to 2.4.1, the POST /api/users/:id user-management endpoint permits an authenticated user to change another user's password without passing RequireSecureSession, even though th…","description":"Nginx UI is a web user interface for the Nginx web server. Prior to 2.4.1, the POST /api/users/:id user-management endpoint permits an authenticated user to change another user's password without passing RequireSecureSession, even though the self-service password-change path requires that step-up. An attacker with an authenticated account can change the initial administrator's password, invalidate existing administrator tokens, and then authenticate as the administrator. This issue is fixed in version 2.4.1.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":8.7,"severity":null}],"references":["https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-2gc7-j998-5xx6","https://github.com/0xJacky/nginx-ui/commit/23d1934099b05b2a01589b48129dc3d3159d91c2","https://github.com/0xJacky/nginx-ui/releases/tag/v2.4.1"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-97862","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Oct 12, 2026, 8:47:51 PM","dateUpdated":"Oct 13, 2026, 5:32:02 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-97862","identifiers":["EUVD-2026-97862","CVE-2026-84314","GHSA-2gc7-j998-5xx6"]},"retained":false,"historicalAffected":[]},{"revision":"1c2f6d333a52487b8417c2c7b6328b83","observedAt":"2026-10-25T16:19:16.24+00:00","statement":{"source":"nvd","id":"CVE-2026-84314","aliases":[],"title":"Nginx UI is a web user interface for the Nginx web server. Prior to 2.4.1, the POST /api/users/:id user-management endpoint permits an authenticated user to change another user's password without passing RequireSecureSession, even though th…","description":"Nginx UI is a web user interface for the Nginx web server. Prior to 2.4.1, the POST /api/users/:id user-management endpoint permits an authenticated user to change another user's password without passing RequireSecureSession, even though the self-service password-change path requires that step-up. An attacker with an authenticated account can change the initial administrator's password, invalidate existing administrator tokens, and then authenticate as the administrator. This issue is fixed in version 2.4.1.","state":0,"publishedAt":"2026-10-12T21:17:21.753+00:00","modifiedAt":"2026-10-13T18:17:25.927+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · security-advisories@github.com · Secondary","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","score":8.7,"severity":"HIGH"}],"references":["https://github.com/0xJacky/nginx-ui/commit/23d1934099b05b2a01589b48129dc3d3159d91c2","https://github.com/0xJacky/nginx-ui/releases/tag/v2.4.1","https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-2gc7-j998-5xx6"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-84314","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-285","CWE-862"],"productCriteria":[],"sourceDates":{"published":"2026-10-12T21:17:21.753","lastModified":"2026-10-13T18:17:25.927"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-84314","identifiers":["CVE-2026-84314"]},"retained":false,"historicalAffected":[]},{"revision":"a25ee2c4c8154405a1fc7785bc60056b","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GHSA-2gc7-j998-5xx6","aliases":["CVE-2026-84314","GO-2026-6771"],"title":"Nginx UI: Account Takeover via Missing `RequireSecureSession` on User Management Endpoint","description":"### Summary\n`POST /api/users/:id` allows any authenticated user to change any other user's password without `RequireSecureSession` (2FA verification). In contrast, the self password change endpoint `POST /api/user/password` correctly requires `RequireSecureSession`. This inconsistency enables any authenticated user to take over the initial admin account (user ID 1) by simply changing its password.\n\n### Details\nnginx-ui enforces `RequireSecureSession` middleware on sensitive operations such as self password change (`api/user/router.go:55`), self profile update (`api/user/router.go:54`), settings modification (`api/settings/router.go:12`), and config file deletion/rename (`api/config/router.go:16-21`).\n\nHowever, the user management endpoint registered in `InitManageUserRouter` (`api/user/user.go:31-68`) is mounted on the `g` router group (`router/routers.go:92`) which only applies `middleware.AuthRequired()` and `middleware.Proxy()` — **no `RequireSecureSession()`**.\n\nAs a result, `POST /api/users/:id` with a `password` field in the JSON body updates the target user's password with only basic JWT authentication. No 2FA or secure session verification is performed, even if the target user has 2FA enabled.\n\nThe attack flow:\n\n1. Attacker authenticates as any user (e.g., user ID 2).\n2. Attacker sends `POST /api/users/1` with `{\"password\": \"attacker-chosen\"}`.\n3. Admin (user ID 1) password is changed. All existing admin tokens are invalidated (`api/user/user.go:48-49`).\n4. Attacker logs in as admin with the new password.\n5. Admin is locked out.\n\n\n### PoC\n[poc.zip](https://github.com/user-attachments/files/26971275/poc.zip)\n\nPlease extract the uploaded compressed file before proceeding\n\n1. docker compose up -d\n2. python3 poc.py\n\n<img width=\"501\" height=\"55\" alt=\"스크린샷 2026-04-22 오후 10 26 29\" src=\"https://github.com/user-attachments/assets/6562ede2-7c11-48da-b905-be9964f4f7b1\" />\n\n\n### Impact\n- Any authenticated user can change any other user's password, including the initial admin (user ID 1).\n- Full account takeover of the admin account.","state":0,"publishedAt":"2026-10-15T20:11:45+00:00","modifiedAt":"2026-10-19T21:41:14.8238199+00:00","affected":[{"ecosystem":"Go","name":"github.com/0xJacky/Nginx-UI","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"1.9.10-0.20260703131214-23d1934099b0"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V4","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-2gc7-j998-5xx6","https://nvd.nist.gov/vuln/detail/CVE-2026-84314","https://github.com/0xJacky/nginx-ui/commit/23d1934099b05b2a01589b48129dc3d3159d91c2","https://github.com/0xJacky/nginx-ui","https://github.com/0xJacky/nginx-ui/releases/tag/v2.4.1"],"sourceUrl":"https://github.com/advisories/GHSA-2gc7-j998-5xx6","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-2gc7-j998-5xx6","identifiers":["GHSA-2gc7-j998-5xx6","CVE-2026-84314","GO-2026-6771"]},"retained":false,"historicalAffected":[]},{"revision":"4b0b61d440de4c6c834afa67ce96bb1d","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GO-2026-6771","aliases":["CVE-2026-84314","GHSA-2gc7-j998-5xx6"],"title":"Nginx UI: Account Takeover via Missing `RequireSecureSession` on User Management Endpoint in github.com/0xJacky/Nginx-UI","description":"Nginx UI: Account Takeover via Missing `RequireSecureSession` on User Management Endpoint in github.com/0xJacky/Nginx-UI","state":0,"publishedAt":"2026-10-19T21:08:35+00:00","modifiedAt":"2026-10-19T21:31:37.8032755+00:00","affected":[{"ecosystem":"Go","name":"github.com/0xJacky/Nginx-UI","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"1.9.10-0.20260703131214-23d1934099b0"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[],"references":["https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-2gc7-j998-5xx6","https://nvd.nist.gov/vuln/detail/CVE-2026-84314","https://github.com/0xJacky/nginx-ui/commit/23d1934099b05b2a01589b48129dc3d3159d91c2","https://github.com/0xJacky/nginx-ui/releases/tag/v2.4.1"],"sourceUrl":"https://osv.dev/vulnerability/GO-2026-6771","license":"OSV · upstream source license applies","key":"osv:GO-2026-6771","identifiers":["GO-2026-6771","CVE-2026-84314","GHSA-2gc7-j998-5xx6"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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