Vulnerability-Lookup

CVE-2026-19539 (GCVE-0-2026-19539)

Vulnerability from cvelistv5 – Published: 2026-08-11 13:54 – Updated: 2026-08-12 18:35 X_Open Source

Title

IDOR in Prospero Flow CRM allows cross-tenant ticket read, hijacking, and deletion

Summary

Authorization Bypass Through User-Controlled Key in the ticket management component in Roskus Prospero Flow CRM before 5.4.9 allows authenticated users of any company to read the full content (title, description, and attachments) of tickets belonging to another company, to hijack another company's tickets by reassigning their company_id, and to delete another company's tickets without any authorization check, via the ticket's numeric identifier, because the read and save operations retrieve the record without constraining the query to the authenticated user's company, and the delete controller type-hints a generic Illuminate\Http\Request instead of the TicketDeleteRequest that would enforce the required permission.

Severity

8.6 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-12 18:35 UTC

CWE

CWE-862 - Missing Authorization

Assigner

Secur0

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-2026-19539…	technical-description

Impacted products

1 product

Vendor	Product	Version
Roskus	Prospero Flow CRM	Affected: 0 , < 5.4.9 (semver)

Date Public

2026-06-25 12:03

Credits

Darío Rivas Quero Cristian Fernández Cornejo Xoán M. Otero Jorge Secur0 CNA Gustavo Novaro

Show details on NVD website

JSON

To clipboard

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GHSA-2WG2-5V89-CGH7

Vulnerability from github – Published: 2026-08-11 15:32 – Updated: 2026-08-11 15:32

Details

Severity

8.6 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-19539"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-862"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-11T14:17:13Z",
    "severity": "HIGH"
  },
  "details": "Authorization Bypass Through User-Controlled Key in the ticket management component in Roskus Prospero Flow CRM before 5.4.9 allows authenticated users of any company to read the full content (title, description, and attachments) of tickets belonging to another company, to hijack another company\u0027s tickets by reassigning their company_id, and to delete another company\u0027s tickets without any authorization check, via the ticket\u0027s numeric identifier, because the read and save operations retrieve the record without constraining the query to the authenticated user\u0027s company, and the delete controller type-hints a generic Illuminate\\Http\\Request instead of the TicketDeleteRequest that would enforce the required permission.",
  "id": "GHSA-2wg2-5v89-cgh7",
  "modified": "2026-08-11T15:32:39Z",
  "published": "2026-08-11T15:32:39Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-19539"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Roskus/prospero-flow-crm/commit/b2b6ffdace0972ab62d1f7e8cdab0ed213bfc4a9"
    },
    {
      "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-2026-19539-idor-in-prospero-flow-crm-allows-cross-tenant-ticket-read-hijacking-and-deletion"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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-2026-19539 (GCVE-0-2026-19539)

GHSA-2WG2-5V89-CGH7

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