Known vulnerabilities in SimpleHelp 5.5.3

Vendor: simple-help
Software: SimpleHelp
Version: 5.5.3
Software CPE: cpe:2.3:a:simple-help:simplehelp:*:*:*:*:*:*:*:*
Website: https://simple-help.com/
Total vulnerabilities: 1
Public exploits: 0
Known exploited (KEV): 1
Highest CVSSv4 Score: 9.3

Vulnerabilities by Severity

Severity distribution of vulnerabilities affecting SimpleHelp version 5.5.3 SimpleHelp 5.5.3 is affected by 1 vulnerabilities: 1 critical Critical High Medium Low

Vulnerabilities (1)

Vulnerability CWE-ID CSH Severity Public Exploit KEV First fixed release Published Bulletins
#VU135974 - Improper Authentication
CVE-2026-48558		 CWE-287 Critical
No
Exploited
 5.5.16, 6.0 30.06.2026 SB2026063056