Nginx Instance Manager

The NGINX Agent config_dirs directive allows a low-privileged attacker to gain limited read and write access to files outside of the designated secure directory. The config_dirs directive required for this issue can also be configured through NGINX Instance Manager. A successful exploit may allow an attacker to cross a security boundary. Impact: A remotely authenticated low-privileged attacker could gain limited read and write access outside of the list of directories specified in the NGINX Agent configuration. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Published: 2026-07-15T14:33:45.486Z
Updated: 2026-07-15T15:37:18.438Z

A vulnerability exists in NGINX OSS and NGINX Plus when configured to proxy to upstream Transport Layer Security (TLS) servers. An attacker with a man-in-the-middle (MITM) position on the upstream server side—along with conditions beyond the attacker's control—may be able to inject plain text data into the response from an upstream proxied server.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Published: 2026-02-04T15:02:06.154Z
Updated: 2026-02-05T05:25:39.303Z

NGINX Agent's "config_dirs" restriction feature allows a highly privileged attacker to gain the ability to write/overwrite files outside of the designated secure directory.

Published: 2024-08-22T18:07:31.058Z
Updated: 2024-08-22T19:29:33.197Z

A session fixation issue was discovered in the NGINX OpenID Connect reference implementation, where a nonce was not checked at login time. This flaw allows an attacker to fix a victim's session to an attacker-controlled account. As a result, although the attacker cannot log in as the victim, they can force the session to associate it with the attacker-controlled account, leading to potential misuse of the victim's session.

Published: 2024-11-06T16:48:56.128Z
Updated: 2024-11-06T16:57:40.692Z

NGINX Management Suite default file permissions are set such that an authenticated attacker may be able to modify sensitive files on NGINX Instance Manager and NGINX API Connectivity Manager.   Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Published: 2023-05-03T14:34:28.973Z
Updated: 2025-02-13T16:48:50.260Z