๐Ÿ›ก๏ธ CVE-2026-27944
๐Ÿ”ด CVSS 9.8 โ€” Critical โœ… No Known Exploit CWE-306 NVD
9.8
CVSS Score
0 Low4 Medium7 High9 Critical10

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

Severity CRITICAL
CVSS Score 9.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-306
Public Exploit โœ… No
Source NVD
Published 2026-03-05
Updated 2026-06-15
Modified 2026-03-23
Fix URL N/A

Affected Packages

Software From version Fixed in
github.com/0xjacky/nginx-ui โ€” โ€”
nginx-ui โ€” 2.3.3

Similar Threats

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