Improper access control in glances - CVE-2026-34839

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU126707

Improper access control in glances - CVE-2026-34839

Published: April 21, 2026


Vulnerability identifier: #VU126707
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-34839
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Nicolas Hennion
Affected software:
glances

Detailed vulnerability description

The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to improper access control in the unauthenticated REST API endpoint /api/4 when handling cross-origin requests. A remote attacker can send a cross-origin request to disclose sensitive information.


How to mitigate CVE-2026-34839

Install security update from vendor's website.

Sources