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CVE-2026-48558 SimpleHelp Authentication Bypass via Missing OIDC JWT Signature Verification

🗓️ 12 Jun 2026 17:07:05Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 101 Views

SimpleHelp OIDC bypass lets forged tokens grant full access, bypassing multi factor authentication.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
githubexploit
GithubExploit
Exploit for Improper Verification of Cryptographic Signature in Simple-Help Simplehelp
2 Jul 202616:11
githubexploit
circl
Circl
CVE-2026-48558
13 Jun 202615:00
circl
cisa_kev
CISA KEV Catalog
SimpleHelp Authentication Bypass Vulnerability
29 Jun 202600:00
cisa_kev
cve
CVE
CVE-2026-48558
12 Jun 202617:07
cve
euvd
EUVD
EUVD-2026-36509
12 Jun 202617:07
euvd
kitploit
Kitploit
CVE-2026-48558
21 Sep 202616:41
kitploit
metasploit
Metasploit
SimpleHelp OIDC Authentication Bypass Remote Code Execution
12 Jun 202600:00
metasploit
nuclei
Nuclei
SimpleHelp <=5.5.15 - OIDC JWT Authentication Bypass
22 Sep 202602:05
nuclei
nvd
NVD
CVE-2026-48558
12 Jun 202618:16
nvd
packetstorm
Packet Storm
...[ More ]
2 Sep 202600:00
packetstorm
Rows per page
[
  {
    "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"
      }
    ]
  }
]

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