SEPTEMBER 17, 2026
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Case File

CVE-2026-90581

MEDIUM · CVSS 6.3 EPSS 0.24% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-13 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

The vulnerability in Nginx affects versions up to 4.4.2, specifically within the MainController.autoUpdate function, allowing for code injection through manipulated URL arguments. This could lead to remote exploitation, posing a risk to systems that utilize this version of the software. Organizations running affected versions should prioritize applying the fix once it is accepted to mitigate potential security threats.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit
GitHub PoC Links
github.com ↗ github.com ↗ github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-90581
Severity
MEDIUM
CVSS
6.3
EPSS
0.24%
Nginx

Original NVD Description

A vulnerability was determined in cym1102 nginxWebUI up to 4.4.2. This issue affects the function MainController.autoUpdate of the file /adminPage/main/autoUpdate. This manipulation of the argument url causes code injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The pull request to fix this issue awaits acceptance.