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CVE-2026-48558 (GCVE-0-2026-48558)

Vulnerability from nvd – Published: 2026-06-12 17:07 – Updated: 2026-07-14 21:33

CISA KEVIntel

Title

SimpleHelp Authentication Bypass via Missing OIDC JWT Signature Verification

Summary

SimpleHelp versions 5.5.15 and prior and 6.0 pre-release versions contain an authentication bypass vulnerability in the OIDC authentication flow. When OIDC authentication is configured, identity tokens submitted during login are accepted without verifying their cryptographic signature. In a vulnerable configuration, a remote, unauthenticated attacker can submit a forged token containing arbitrary identity claims to obtain a fully authenticated technician session. In some configurations, this may also allow bypass of multi-factor authentication. No user interaction is required.

Severity

9.5 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

10 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

SSVC

Exploitation: active Automatable: yes Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-347 - Improper Verification of Cryptographic Signature

Assigner

VulnCheck

References

5 references

URL	Tags
https://horizon3.ai/attack-research/disclosures/c…	technical-descriptionexploit
https://simple-help.com/security/simplehelp-secur…	vendor-advisory
https://simple-help.com/release-news	release-notes
https://blackpointcyber.com/blog/a-djinn-in-the-m…	third-party-advisory
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Impacted products

1 product

Vendor	Product	Version
SimpleHelp	SimpleHelp	Affected: 5.5.0 , < 5.5.16 (semver) Affected: 6.0 , < 6.0 RC2 (custom)

Date Public

2026-05-26 00:00

Credits

Zach Hanley (@hacks_zach) of Horizon3.ai

Show details on NVD website

JSON

To clipboard

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CVE-2025-36728 (GCVE-0-2025-36728)

Vulnerability from nvd – Published: 2025-07-25 16:42 – Updated: 2025-07-25 17:19

Title

SimpleHelp Cross Site Request Forgery

Summary

Cross-Site Request Forgery (CSRF) vulnerability in Simplehelp.This issue affects Simplehelp: before 5.5.11.

Severity

6.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-352 - Cross-Site Request Forgery (CSRF)

Assigner

tenable

References

1 reference

URL	Tags
https://www.tenable.com/security/research/tra-2025-24

Impacted products

1 product

Vendor	Product	Version
Simplehelp	Simplehelp	Affected: 0 , < 5.5.11 (semver)

Show details on NVD website

JSON

To clipboard

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CVE-2025-36727 (GCVE-0-2025-36727)

Vulnerability from nvd – Published: 2025-07-25 16:37 – Updated: 2025-07-25 17:24

Title

SimpleHelp Inclusion of functionality from untrusted control sphere

Summary

Inclusion of Functionality from Untrusted Control Sphere vulnerability in Simplehelp.This issue affects Simplehelp: before 5.5.12.

Severity

8.3 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-829 - Inclusion of Functionality from Untrusted Control Sphere

Assigner

tenable

References

1 reference

URL	Tags
https://www.tenable.com/security/research/tra-2025-24

Impacted products

1 product

Vendor	Product	Version
Simplehelp	Simplehelp	Affected: 0 , < 5.5.12 (semver)

Show details on NVD website

JSON

To clipboard

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CVE-2024-57728 (GCVE-0-2024-57728)

Vulnerability from nvd – Published: 2025-01-15 00:00 – Updated: 2026-04-25 03:55

CISA KEVIntel

Summary

SimpleHelp remote support software v5.5.7 and before allows admin users to upload arbitrary files anywhere on the file system by uploading a crafted zip file (i.e. zip slip). This can be exploited to execute arbitrary code on the host in the context of the SimpleHelp server user.

Severity

7.2 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: active Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

n/a
CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

mitre

References

5 references

URL	Tags
https://www.horizon3.ai/attack-research/disclosur…
https://simple-help.com/kb---security-vulnerabili…
https://www.trendmicro.com/vinfo/us/security/news…	third-party-advisory
https://www.microsoft.com/en-us/security/blog/202…	third-party-advisory
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Show details on NVD website

JSON

To clipboard

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CVE-2024-57727 (GCVE-0-2024-57727)

Vulnerability from nvd – Published: 2025-01-15 00:00 – Updated: 2026-02-26 19:09

CISA Shadowserver KEVIntel

Summary

SimpleHelp remote support software v5.5.7 and before is vulnerable to multiple path traversal vulnerabilities that enable unauthenticated remote attackers to download arbitrary files from the SimpleHelp host via crafted HTTP requests. These files include server configuration files containing various secrets and hashed user passwords.

Severity

9.1 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

SSVC

Exploitation: active Automatable: yes Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

n/a
CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

mitre

References

3 references

URL	Tags
https://www.horizon3.ai/attack-research/disclosur…
https://simple-help.com/kb---security-vulnerabili…
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Show details on NVD website

JSON

To clipboard

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CVE-2024-57726 (GCVE-0-2024-57726)

Vulnerability from nvd – Published: 2025-01-15 00:00 – Updated: 2026-04-25 03:55

CISA KEVIntel

Summary

SimpleHelp remote support software v5.5.7 and before has a vulnerability that allows low-privileges technicians to create API keys with excessive permissions. These API keys can be used to escalate privileges to the server admin role.

Severity

9.9 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

SSVC

Exploitation: active Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

n/a
CWE-862 - Missing Authorization

Assigner

mitre

References

5 references

URL	Tags
https://www.horizon3.ai/attack-research/disclosur…
https://simple-help.com/kb---security-vulnerabili…
https://www.microsoft.com/en-us/security/blog/202…	third-party-advisory
https://www.trendmicro.com/vinfo/us/security/news…	third-party-advisory
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Show details on NVD website

JSON

To clipboard

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CVE-2026-48558 (GCVE-0-2026-48558)

Vulnerability from cvelistv5 – Published: 2026-06-12 17:07 – Updated: 2026-07-14 21:33

CISA KEVIntel

Title

SimpleHelp Authentication Bypass via Missing OIDC JWT Signature Verification

Summary

SimpleHelp versions 5.5.15 and prior and 6.0 pre-release versions contain an authentication bypass vulnerability in the OIDC authentication flow. When OIDC authentication is configured, identity tokens submitted during login are accepted without verifying their cryptographic signature. In a vulnerable configuration, a remote, unauthenticated attacker can submit a forged token containing arbitrary identity claims to obtain a fully authenticated technician session. In some configurations, this may also allow bypass of multi-factor authentication. No user interaction is required.

Severity

9.5 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

10 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

SSVC

Exploitation: active Automatable: yes Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-347 - Improper Verification of Cryptographic Signature

Assigner

VulnCheck

References

5 references

URL	Tags
https://horizon3.ai/attack-research/disclosures/c…	technical-descriptionexploit
https://simple-help.com/security/simplehelp-secur…	vendor-advisory
https://simple-help.com/release-news	release-notes
https://blackpointcyber.com/blog/a-djinn-in-the-m…	third-party-advisory
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Impacted products

1 product

Vendor	Product	Version
SimpleHelp	SimpleHelp	Affected: 5.5.0 , < 5.5.16 (semver) Affected: 6.0 , < 6.0 RC2 (custom)

Date Public

2026-05-26 00:00

Credits

Zach Hanley (@hacks_zach) of Horizon3.ai

Show details on NVD website

JSON

To clipboard

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CVE-2025-36728 (GCVE-0-2025-36728)

Vulnerability from cvelistv5 – Published: 2025-07-25 16:42 – Updated: 2025-07-25 17:19

Title

SimpleHelp Cross Site Request Forgery

Summary

Cross-Site Request Forgery (CSRF) vulnerability in Simplehelp.This issue affects Simplehelp: before 5.5.11.

Severity

6.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-352 - Cross-Site Request Forgery (CSRF)

Assigner

tenable

References

1 reference

URL	Tags
https://www.tenable.com/security/research/tra-2025-24

Impacted products

1 product

Vendor	Product	Version
Simplehelp	Simplehelp	Affected: 0 , < 5.5.11 (semver)

Show details on NVD website

JSON

To clipboard

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CVE-2025-36727 (GCVE-0-2025-36727)

Vulnerability from cvelistv5 – Published: 2025-07-25 16:37 – Updated: 2025-07-25 17:24

Title

SimpleHelp Inclusion of functionality from untrusted control sphere

Summary

Inclusion of Functionality from Untrusted Control Sphere vulnerability in Simplehelp.This issue affects Simplehelp: before 5.5.12.

Severity

8.3 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-829 - Inclusion of Functionality from Untrusted Control Sphere

Assigner

tenable

References

1 reference

URL	Tags
https://www.tenable.com/security/research/tra-2025-24

Impacted products

1 product

Vendor	Product	Version
Simplehelp	Simplehelp	Affected: 0 , < 5.5.12 (semver)

Show details on NVD website

JSON

To clipboard

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CVE-2024-57727 (GCVE-0-2024-57727)

Vulnerability from cvelistv5 – Published: 2025-01-15 00:00 – Updated: 2026-02-26 19:09

CISA Shadowserver KEVIntel

Summary

SimpleHelp remote support software v5.5.7 and before is vulnerable to multiple path traversal vulnerabilities that enable unauthenticated remote attackers to download arbitrary files from the SimpleHelp host via crafted HTTP requests. These files include server configuration files containing various secrets and hashed user passwords.

Severity

9.1 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

SSVC

Exploitation: active Automatable: yes Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

n/a
CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

mitre

References

3 references

URL	Tags
https://www.horizon3.ai/attack-research/disclosur…
https://simple-help.com/kb---security-vulnerabili…
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Show details on NVD website

JSON

To clipboard

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CVE-2024-57726 (GCVE-0-2024-57726)

Vulnerability from cvelistv5 – Published: 2025-01-15 00:00 – Updated: 2026-04-25 03:55

CISA KEVIntel

Summary

SimpleHelp remote support software v5.5.7 and before has a vulnerability that allows low-privileges technicians to create API keys with excessive permissions. These API keys can be used to escalate privileges to the server admin role.

Severity

9.9 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

SSVC

Exploitation: active Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

n/a
CWE-862 - Missing Authorization

Assigner

mitre

References

5 references

URL	Tags
https://www.horizon3.ai/attack-research/disclosur…
https://simple-help.com/kb---security-vulnerabili…
https://www.microsoft.com/en-us/security/blog/202…	third-party-advisory
https://www.trendmicro.com/vinfo/us/security/news…	third-party-advisory
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Show details on NVD website

JSON

To clipboard

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CVE-2024-57728 (GCVE-0-2024-57728)

Vulnerability from cvelistv5 – Published: 2025-01-15 00:00 – Updated: 2026-04-25 03:55

CISA KEVIntel

Summary

SimpleHelp remote support software v5.5.7 and before allows admin users to upload arbitrary files anywhere on the file system by uploading a crafted zip file (i.e. zip slip). This can be exploited to execute arbitrary code on the host in the context of the SimpleHelp server user.

Severity

7.2 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: active Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

n/a
CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

mitre

References

5 references

URL	Tags
https://www.horizon3.ai/attack-research/disclosur…
https://simple-help.com/kb---security-vulnerabili…
https://www.trendmicro.com/vinfo/us/security/news…	third-party-advisory
https://www.microsoft.com/en-us/security/blog/202…	third-party-advisory
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Show details on NVD website

JSON

To clipboard

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        {
          "lang": "en",
          "value": "SimpleHelp remote support software v5.5.7 and before allows admin users to upload arbitrary files anywhere on the file system by uploading a crafted zip file (i.e. zip slip). This can be exploited to execute arbitrary code on the host in the context of the SimpleHelp server user."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-01-15T22:47:06.340Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://www.horizon3.ai/attack-research/disclosures/critical-vulnerabilities-in-simplehelp-remote-support-software/"
        },
        {
          "url": "https://simple-help.com/kb---security-vulnerabilities-01-2025#security-vulnerabilities-in-simplehelp-5-5-7-and-earlier"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2024-57728",
    "datePublished": "2025-01-15T00:00:00.000Z",
    "dateReserved": "2025-01-09T00:00:00.000Z",
    "dateUpdated": "2026-04-25T03:55:36.284Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Find a vulnerability

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12 vulnerabilities found for simplehelp by simple-help

CVE-2026-48558 (GCVE-0-2026-48558)

CVE-2025-36728 (GCVE-0-2025-36728)

CVE-2025-36727 (GCVE-0-2025-36727)

CVE-2024-57728 (GCVE-0-2024-57728)

CVE-2024-57727 (GCVE-0-2024-57727)

CVE-2024-57726 (GCVE-0-2024-57726)

CVE-2026-48558 (GCVE-0-2026-48558)

CVE-2025-36728 (GCVE-0-2025-36728)

CVE-2025-36727 (GCVE-0-2025-36727)

CVE-2024-57727 (GCVE-0-2024-57727)

CVE-2024-57726 (GCVE-0-2024-57726)

CVE-2024-57728 (GCVE-0-2024-57728)

Find a vulnerability

Search criteria ⓘ Use this form to refine search results. Full-text search supports keyword queries with ranking and filtering. You can combine vendor, product, and sources to narrow results. Enable “Apply ordering” to sort by date instead of relevance.

12 vulnerabilities found for simplehelp by simple-help

CVE-2026-48558 (GCVE-0-2026-48558)

CVE-2025-36728 (GCVE-0-2025-36728)

CVE-2025-36727 (GCVE-0-2025-36727)

CVE-2024-57728 (GCVE-0-2024-57728)

CVE-2024-57727 (GCVE-0-2024-57727)

CVE-2024-57726 (GCVE-0-2024-57726)

CVE-2026-48558 (GCVE-0-2026-48558)

CVE-2025-36728 (GCVE-0-2025-36728)

CVE-2025-36727 (GCVE-0-2025-36727)

CVE-2024-57727 (GCVE-0-2024-57727)

CVE-2024-57726 (GCVE-0-2024-57726)

CVE-2024-57728 (GCVE-0-2024-57728)

Search criteria ⓘ Use this form to refine search results.
Full-text search supports keyword queries with ranking and filtering.
You can combine vendor, product, and sources to narrow results.
Enable “Apply ordering” to sort by date instead of relevance.