Vulnerability-Lookup

GHSA-4FXP-2M36-QV64

Vulnerability from github – Published: 2026-08-10 15:33 – Updated: 2026-08-10 15:33

Details

Missing Authorization in the permission management component in Roskus Prospero Flow CRM before 5.2.1 allows any authenticated user to grant any role, including their own, the complete set of application permissions via a crafted POST request to the permission save endpoint, which performs no authorization check before synchronizing the submitted permissions to the specified role.

Severity

8.7 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-59233"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-639"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-10T13:19:51Z",
    "severity": "HIGH"
  },
  "details": "Missing Authorization in the permission management component in Roskus Prospero Flow CRM before 5.2.1 allows any authenticated user to grant any role, including their own, the complete set of application permissions via a crafted POST request to the permission save endpoint, which performs no authorization check before synchronizing the submitted permissions to the specified role.",
  "id": "GHSA-4fxp-2m36-qv64",
  "modified": "2026-08-10T15:33:35Z",
  "published": "2026-08-10T15:33:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-59233"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Roskus/prospero-flow-crm/commit/86a7d6557bd111518a221f4575ad6e36087e19d3"
    },
    {
      "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-2026-59233-missing-authorization-in-prospero-flow-crm-permission-endpoint"
    }
  ],
  "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:H/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"
    }
  ]
}

CVE-2026-59233 (GCVE-0-2026-59233)

Vulnerability from cvelistv5 – Published: 2026-08-10 12:14 – Updated: 2026-08-10 17:52 X_Open Source

Title

Missing Authorization in Prospero Flow CRM permission save endpoint allows privilege escalation

Summary

Severity

8.7 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-639 - Authorization bypass through User-Controlled key

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-2026-59233…	technical-description

Impacted products

1 product

Vendor	Product	Version
Roskus	Prospero Flow CRM	Affected: 0 , < 5.2.1 (semver)

Date Public

2026-08-10 12:09

Credits

k1di3 Cristian Fernández Cornejo Xoán M. Otero Jorge Secur0 CNA Gustavo Novaro

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JSON

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      {
        "metrics": [
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                "id": "CVE-2026-59233",
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                  },
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                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-10T17:52:31.556651Z",
                "version": "2.0.3"
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          "programFiles": [
            "app/Http/Controllers/Permission/PermissionSaveController.php",
            "routes/web.php"
          ],
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              "lessThan": "5.2.1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
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                }
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    "dateReserved": "2026-07-03T11:24:39.241Z",
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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.

Action not permitted

GHSA-4FXP-2M36-QV64

CVE-2026-59233 (GCVE-0-2026-59233)

Tags

Sightings

Nomenclature