Vulnerability-Lookup

CVE-2026-78365 (GCVE-0-2026-78365)

Vulnerability from cvelistv5 – Published: 2026-08-24 12:49 – Updated: 2026-08-24 13:01 X_Open Source

Title

IDOR and missing authorization in Prospero Flow CRM supplier API allows cross-tenant read and modification

Summary

Authorization Bypass Through User-Controlled Key in the supplier API in Roskus Prospero Flow CRM 4.0.0 through 5.3.1 allows any authenticated user to read and modify another company's supplier record, and to reassign it to their own company, via a PUT request to /api/supplier/{id} setting company_id in the body.

Severity

9.3 (Critical)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-24 12:58 UTC

CWE

CWE-639 - Authorization bypass through User-Controlled key
CWE-862 - Missing Authorization

Assigner

Secur0 INCIBE root

References

3 references

URL	Tags
https://github.com/Roskus/prospero-flow-crm/commi…	patch
https://github.com/Roskus/prospero-flow-crm/relea…	release-notes
https://secur0.com/en/cna/cve-list/cve-2026-78365…	third-party-advisorytechnical-description

Impacted products

1 product

Vendor	Product	Version	CPE status
Roskus	Prospero Flow CRM	Affected: 4.0.0 , < 5.3.2 (semver) cpe:2.3:a:roskus:prospero_flow_crm::::::::

Date Public

2026-08-24 11:52

Credits

Antonio Rivera Poblete Xoán M. Otero Jorge Cristian Fernández Cornejo Secur0 CNA Gustavo Novaro

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-78365

Vulnerability from fkie_nvd - Published: 2026-08-24 13:19 - Updated: 2026-08-24 14:17

Severity

9.3 (Critical) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Summary

References

	URL	Tags
	4daa8cea-433a-44bd-9456-53b127fc289a	https://github.com/Roskus/prospero-flow-crm/commit/4a52477e6ed66afa436814c80e7bcd68670dd596
	4daa8cea-433a-44bd-9456-53b127fc289a	https://github.com/Roskus/prospero-flow-crm/releases/tag/v5.5.3
	4daa8cea-433a-44bd-9456-53b127fc289a	https://secur0.com/en/cna/cve-list/cve-2026-78365-idor-supplier-api-cross-tenant-update

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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    }
  ],
  "id": "CVE-2026-78365",
  "lastModified": "2026-08-24T14:17:04.637",
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          "modifiedAttackVector": "NOT_DEFINED",
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          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "4daa8cea-433a-44bd-9456-53b127fc289a",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-78365",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-08-24T12:58:38.578036Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-08-24T13:19:19.247",
  "references": [
    {
      "source": "4daa8cea-433a-44bd-9456-53b127fc289a",
      "url": "https://github.com/Roskus/prospero-flow-crm/commit/4a52477e6ed66afa436814c80e7bcd68670dd596"
    },
    {
      "source": "4daa8cea-433a-44bd-9456-53b127fc289a",
      "url": "https://github.com/Roskus/prospero-flow-crm/releases/tag/v5.5.3"
    },
    {
      "source": "4daa8cea-433a-44bd-9456-53b127fc289a",
      "url": "https://secur0.com/en/cna/cve-list/cve-2026-78365-idor-supplier-api-cross-tenant-update"
    }
  ],
  "sourceIdentifier": "4daa8cea-433a-44bd-9456-53b127fc289a",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-639"
        },
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ],
      "source": "4daa8cea-433a-44bd-9456-53b127fc289a",
      "type": "Secondary"
    }
  ]
}

GHSA-4HH4-JWXC-XPMF

Vulnerability from github – Published: 2026-08-24 15:31 – Updated: 2026-08-24 15:31

Details

Severity

9.3 (Critical)


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

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2026-78365"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-639"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-24T13:19:19Z",
    "severity": "CRITICAL"
  },
  "details": "Authorization Bypass Through User-Controlled Key in the supplier API in Roskus Prospero Flow CRM 4.0.0 through 5.3.1 allows any authenticated user to read and modify another company\u0027s supplier record, and to reassign it to their own company, via a PUT request to /api/supplier/{id} setting company_id in the body.",
  "id": "GHSA-4hh4-jwxc-xpmf",
  "modified": "2026-08-24T15:31:51Z",
  "published": "2026-08-24T15:31:51Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-78365"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Roskus/prospero-flow-crm/commit/4a52477e6ed66afa436814c80e7bcd68670dd596"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Roskus/prospero-flow-crm/releases/tag/v5.5.3"
    },
    {
      "type": "WEB",
      "url": "https://secur0.com/en/cna/cve-list/cve-2026-78365-idor-supplier-api-cross-tenant-update"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2026-78365 (GCVE-0-2026-78365)

FKIE_CVE-2026-78365

GHSA-4HH4-JWXC-XPMF

Tags

Sightings

Nomenclature