CVE-2026-27944

CRITICAL

9.8

Description

Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.3, the /api/backup endpoint is accessible without authentication and discloses the encryption keys required to decrypt the backup in the X-Backup-Security response header. This allows an unauthenticated attacker to download a full system backup containing sensitive data (user credentials, session tokens, SSL private keys, Nginx configurations) and decrypt it immediately. This issue has been patched in version 2.3.3.

Details CVE

Score CVSS v3.19.8

SeveriteCRITICAL

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie3/5/2026

Derniere modification3/10/2026

Sourcenvd

Observations honeypot0

Produits affectes

nginxui:nginx_ui

Faiblesses (CWE)

CWE-306CWE-311

References

https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-g9w5-qffc-6762(security-advisories@github.com)

Correlations IOC

Aucune correlation enregistree

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