CVE-2026-48558
SimpleHelp Authentication Bypass Vulnerability
9.5
CVSS 4.0
5.7 %
EPSS (current)
2026-06-29
KEV addition
No
Ransomware
Timeline
Publication, first public exploit and KEV addition on a day axis.
Key facts
Vendor / product: SimpleHelp / SimpleHelp
Published: 2026-06-12 · Due (CISA): 2026-07-02
CWE: CWE-347 · EU list: no
Exploit references (metadata only)
| Source | Reference | Title | Date |
|---|---|---|---|
| nuclei | http/cves/2026/CVE-2026-48558.yaml | SimpleHelp <=5.5.15 - OIDC JWT Authentication Bypass | – |
| metasploit | exploit/multi/http/simplehelp_oidc_auth_bypass_rce | exploit/multi/http/simplehelp_oidc_auth_bypass_rce | 2026-06-12 |
References only — no downloads or instructions.