# NGINX vulnerabilities

Source: https://junglewise.ai/threats/vendors/nginx  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 12 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/nginx.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 17 vulnerabilities in NGINX: 0 in the last 7 days and 9 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-15176, was published on 14 October 2026. 3 vulnerabilities in the last four weeks, up 50% on the four before (2). 1 technology has a page of its own.

## Counts

- Last 7 days: 0
- Last 30 days: 1
- Last 90 days: 9
- All time: 17 (0 critical, 0 exploited in the wild)

## About NGINX

NGINX is a provider of web server, reverse proxy, and load balancing software.

## Latest NGINX vulnerabilities

- [CVE-2026-15176: NGINX Plus and Open Source heap buffer overflow in alias directive with rewrite](https://junglewise.ai/threats/cve-2026-15176-a-vulnerability-exists-in-nginx-plus-and-nginx-open-source-when-a) (high, CVSS 8.1, published 14 Oct 2026)
- [CVE-2026-84319: Nginx UI MCP configuration directive validation bypass](https://junglewise.ai/threats/cve-2026-84319-nginx-ui-mcp-configuration-tools-bypass-restricted-directive) (high, CVSS 8.3, published 12 Oct 2026)
- [CVE-2026-84313: Nginx UI TOTP and passkey enrollment missing re-authentication](https://junglewise.ai/threats/cve-2026-84313-nginx-ui-totp-passkey-enrolment-requires-no-re-authentication) (high, CVSS 8.8, published 12 Oct 2026)
- [CVE-2026-61630: nginx ignition TOTP reuse during validity window](https://junglewise.ai/threats/cve-2026-61630-nginx-ignition-totp-reuse-during-validity-window) (medium, CVSS 4.2, published 21 Sep 2026)
- [CVE-2026-90439: NGINX Plus and Open Source HTTP/3 heap buffer overflow in TLS handshake](https://junglewise.ai/threats/cve-2026-90439-nginx-plus-and-open-source-http-3-heap-buffer-overflow-in-tls) (medium, CVSS 6.5, published 15 Sep 2026)
- [CVE-2026-78689: NGINX njs XML namespace parser out-of-bounds write](https://junglewise.ai/threats/cve-2026-78689-nginx-njs-xml-namespace-parser-out-of-bounds-write) (high, CVSS 8.1, published 2 Sep 2026)
- [CVE-2026-77180: NGINX Ingress Controller configuration injection via Ingress annotations](https://junglewise.ai/threats/cve-2026-77180-nginx-ingress-controller-configuration-injection-via-ingress) (high, CVSS 8.3, published 2 Sep 2026)
- [CVE-2026-66362: NGINX Gateway Fabric injection in configuration generator](https://junglewise.ai/threats/cve-2026-66362-nginx-gateway-fabric-injection-in-configuration-generator) (high, CVSS 8.1, published 2 Sep 2026)
- [CVE-2026-18329: NGINX JavaScript access control bypass in js_access handler](https://junglewise.ai/threats/cve-2026-18329-nginx-javascript-access-control-bypass-in-js-access-handler) (high, CVSS 8.2, published 2 Sep 2026)
- [CVE-2026-42945: NGINX heap buffer overflow in ngx_http_rewrite_module](https://junglewise.ai/threats/cve-2026-42945-nginx-heap-buffer-overflow-in-ngx-http-rewrite-module) (high, CVSS 8.1, published 13 May 2026)
- [CVE-2026-42934: F5 NGINX heap buffer over-read in ngx_http_charset_module](https://junglewise.ai/threats/cve-2026-42934-f5-nginx-heap-buffer-over-read-in-ngx-http-charset-module) (medium, CVSS 4.8, published 13 May 2026)
- [CVE-2026-42926: F5 NGINX Open Source header injection in HTTP/2 proxying](https://junglewise.ai/threats/cve-2026-42926-f5-nginx-open-source-header-injection-in-http-2-proxying) (medium, CVSS 5.8, published 13 May 2026)
- [CVE-2026-40701: F5 NGINX heap-use-after-free in ngx_http_ssl_module](https://junglewise.ai/threats/cve-2026-40701-f5-nginx-heap-use-after-free-in-ngx-http-ssl-module) (medium, CVSS 4.8, published 13 May 2026)
- [CVE-2026-40460: F5 NGINX IP address spoofing in HTTP/3 QUIC module](https://junglewise.ai/threats/cve-2026-40460-f5-nginx-ip-address-spoofing-in-http-3-quic-module) (medium, CVSS 6.5, published 13 May 2026)
- [CVE-2026-32647: NGINX Open Source and Plus buffer overflow in ngx_http_mp4_module](https://junglewise.ai/threats/cve-2026-32647-nginx-open-source-and-plus-buffer-overflow-in-ngx-http-mp4-module) (high, CVSS 7.8, published 24 Mar 2026)
- [CVE-2026-27784: NGINX Open Source memory corruption in ngx_http_mp4_module](https://junglewise.ai/threats/cve-2026-27784-nginx-open-source-memory-corruption-in-ngx-http-mp4-module) (high, CVSS 7.8, published 24 Mar 2026)
- [CVE-2026-27651: NGINX NULL pointer dereference in ngx_mail_auth_http_module](https://junglewise.ai/threats/cve-2026-27651-nginx-null-pointer-dereference-in-ngx-mail-auth-http-module) (high, CVSS 7.5, published 24 Mar 2026)

## Most severe NGINX vulnerabilities

- [CVE-2026-84313: Nginx UI TOTP and passkey enrollment missing re-authentication](https://junglewise.ai/threats/cve-2026-84313-nginx-ui-totp-passkey-enrolment-requires-no-re-authentication) (high, CVSS 8.8, published 12 Oct 2026)
- [CVE-2026-77180: NGINX Ingress Controller configuration injection via Ingress annotations](https://junglewise.ai/threats/cve-2026-77180-nginx-ingress-controller-configuration-injection-via-ingress) (high, CVSS 8.3, published 2 Sep 2026)
- [CVE-2026-84319: Nginx UI MCP configuration directive validation bypass](https://junglewise.ai/threats/cve-2026-84319-nginx-ui-mcp-configuration-tools-bypass-restricted-directive) (high, CVSS 8.3, published 12 Oct 2026)
- [CVE-2026-18329: NGINX JavaScript access control bypass in js_access handler](https://junglewise.ai/threats/cve-2026-18329-nginx-javascript-access-control-bypass-in-js-access-handler) (high, CVSS 8.2, published 2 Sep 2026)
- [CVE-2026-78689: NGINX njs XML namespace parser out-of-bounds write](https://junglewise.ai/threats/cve-2026-78689-nginx-njs-xml-namespace-parser-out-of-bounds-write) (high, CVSS 8.1, published 2 Sep 2026)
- [CVE-2026-66362: NGINX Gateway Fabric injection in configuration generator](https://junglewise.ai/threats/cve-2026-66362-nginx-gateway-fabric-injection-in-configuration-generator) (high, CVSS 8.1, published 2 Sep 2026)
- [CVE-2026-15176: NGINX Plus and Open Source heap buffer overflow in alias directive with rewrite](https://junglewise.ai/threats/cve-2026-15176-a-vulnerability-exists-in-nginx-plus-and-nginx-open-source-when-a) (high, CVSS 8.1, published 14 Oct 2026)
- [CVE-2026-42945: NGINX heap buffer overflow in ngx_http_rewrite_module](https://junglewise.ai/threats/cve-2026-42945-nginx-heap-buffer-overflow-in-ngx-http-rewrite-module) (high, CVSS 8.1, published 13 May 2026)
- [CVE-2026-32647: NGINX Open Source and Plus buffer overflow in ngx_http_mp4_module](https://junglewise.ai/threats/cve-2026-32647-nginx-open-source-and-plus-buffer-overflow-in-ngx-http-mp4-module) (high, CVSS 7.8, published 24 Mar 2026)
- [CVE-2026-27784: NGINX Open Source memory corruption in ngx_http_mp4_module](https://junglewise.ai/threats/cve-2026-27784-nginx-open-source-memory-corruption-in-ngx-http-mp4-module) (high, CVSS 7.8, published 24 Mar 2026)

## Vulnerabilities per week

3 vulnerabilities in the last four weeks, up 50% on the four before (2).

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 4 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 1 | 0 | 0 |
| 21 Sep 2026 | 1 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 3 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## NGINX technologies

- [NGINX Open Source](https://junglewise.ai/threats/technologies/open-source): 11 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "NGINX vulnerabilities", https://junglewise.ai/threats/vendors/nginx, 12 November 2026.
