CVE-2026-48558
🗓️ 12 Jun 2026 17:07:05Reported by VulnCheckType 
cve🔗 web.nvd.nist.gov📰️ 11 Media mentions👁 415 Views🌐 WEB
| Reporter | Title | Published | Views | Family All 13 |
|---|---|---|---|---|
 | Exploit for Improper Verification of Cryptographic Signature in Simple-Help Simplehelp | 2 Jul 202616:11 | – | githubexploit |
 | CVE-2026-48558 | 13 Jun 202615:00 | – | circl |
 | SimpleHelp Authentication Bypass Vulnerability | 29 Jun 202600:00 | – | cisa_kev |
 | CVE-2026-48558 SimpleHelp Authentication Bypass via Missing OIDC JWT Signature Verification | 12 Jun 202617:07 | – | cvelist |
 | EUVD-2026-36509 | 12 Jun 202617:07 | – | euvd |
 | CVE-2026-48558 | 31 Aug 202601:09 | – | kitploit |
 | CVE-2026-48558 | 12 Jun 202618:16 | – | nvd |
 | PT-2026-48947 | 12 Jun 202600:00 | – | ptsecurity |
 | SimpleHelp 5.5.x < 5.5.16 OIDC Authentication Bypass | 7 Aug 202600:00 | – | nessus |
 | Catan and Mouse | 2 Jul 202618:00 | – | talosblog |
10
Node
OR
[
{
"defaultStatus": "affected",
"vendor": "SimpleHelp",
"product": "SimpleHelp",
"versions": [
{
"status": "affected",
"version": "5.5.0",
"versionType": "semver",
"lessThan": "5.5.16"
},
{
"status": "affected",
"version": "6.0",
"versionType": "custom",
"lessThan": "6.0 RC2"
}
]
}
]| Parameter | Position | Path | Description | CWE |
|---|---|---|---|---|
| id_token | request body | /auth/oidc/callback | OIDC callback endpoint accepts forged id_token without proper signature verification, enabling authentication as privileged Technician. | CWE-347 |
10
Data
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14 Jul 2026 21:33Current
5.5Medium risk
Vulners AI Score5.5
CVSS 49.5
CVSS 3.110
EPSS0.12381
SSVC