CVE-2026-102335 json
Nginx Proxy Manager through 2.16.0 Improper Authorization via advanced_config
published 2026-09-28 41 d ago modified 2026-09-30 39 d ago also EUVD-2026-88568
- cvss
- 7.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 13%
- public exploits
- 0
- none known
Summary
Nginx Proxy Manager through 2.16.0 fails to restrict the advanced_config field to administrators, allowing non-admin users with manage permissions to inject arbitrary nginx directives. Attackers can inject malicious nginx configuration such as alias directives to serve arbitrary files or control routing for their assigned hosts.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 39 d ago
Exploit prediction
0.23% chance of exploitation in the next 30 days, higher than 13% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 7.1 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N |
| CNA | 3.1 | 7.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N |
| CNA | 4.0 | 7.1 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/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 |
Affected products
- NginxProxyManager nginx-proxy-manager
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
-
github.com
/NginxProxyManager/nginx-proxy-manager/pull/5908
patch, issue-tracking
-
github.com
/NginxProxyManager/nginx-proxy-manager/issues/5749
issue-tracking
-
github.com
/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/backend/internal/user.js#L52-L62
technical-description
-
github.com
/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/backend/templates/proxy_host.conf#L28
technical-description
-
github.com
/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/README.md#L36
technical-description
-
github.com
/NginxProxyManager/nginx-proxy-manager
product
-
vulncheck.com
/advisories/nginx-proxy-manager-through-2.16.0-improper-authorization-via-advanced-config
third-party-advisory
Sources
- CVE List CVE-2026-102335
- NVD CVE-2026-102335
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