Vulnerability-Lookup

GHSA-Q2F8-HPWM-236J

Vulnerability from github – Published: 2026-07-03 15:31 – Updated: 2026-07-03 15:31

Details

Authorization Bypass Through User-Controlled Key (CWE-639) in CalendarDeleteEventController (app/Http/Controllers/Calendar/CalendarDeleteEventController.php), exposed at GET /calendar/event/delete/{id}, in Prospero Flow CRM before 5.5.3 allows a remote, authenticated attacker to delete arbitrary calendar events belonging to other users by manipulating the {id} path parameter, because the delete handler resolves the record with Calendar::find($id)->delete() and performs no ownership check (no user_id/company_id scoping) before deletion. This results in unauthorized destruction of other users' calendar events across the platform.

Severity ?

6.9 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-59234"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-639"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-03T13:17:30Z",
    "severity": "MODERATE"
  },
  "details": "Authorization Bypass Through User-Controlled Key (CWE-639) in CalendarDeleteEventController (app/Http/Controllers/Calendar/CalendarDeleteEventController.php), exposed at GET /calendar/event/delete/{id}, in Prospero Flow CRM before 5.5.3 allows a remote, authenticated attacker to delete arbitrary calendar events belonging to other users by manipulating the {id} path parameter, because the delete handler resolves the record with Calendar::find($id)-\u003edelete() and performs no ownership check (no user_id/company_id scoping) before deletion. This results in unauthorized destruction of other users\u0027 calendar events across the platform.",
  "id": "GHSA-q2f8-hpwm-236j",
  "modified": "2026-07-03T15:31:57Z",
  "published": "2026-07-03T15:31:57Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-59234"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Roskus/prospero-flow-crm/commit/8c26eed4d80544c30e55448e12a8e999af6d2b70"
    },
    {
      "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-2026-59234-idor-in-prospero-flow-crm-allows-deletion-of-other-users-calendar-events"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/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-2026-59234 (GCVE-0-2026-59234)

Vulnerability from cvelistv5 – Published: 2026-07-03 12:47 – Updated: 2026-07-03 12:47 X_Open Source

Title

Authorization Bypass Through User-Controlled Key in Prospero Flow CRM calendar event deletion

Summary

Severity ?

6.9 (Medium)


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

CWE

CWE-639 - Authorization Bypass Through User-Controlled Key

Assigner

Secur0

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-2026-59234…	related

Impacted products

	Vendor	Product	Version
	Roskus	Prospero Flow CRM	Affected: 1.0.0 , < 5.5.3 (semver) cpe:2.3:a:roskus:prospero_flow_crm::::::::

Credits

Robert Mihaila Amirreza Fadaeizadeh Bidari Xoan M. Otero Jorge Secur0 CNA Gustavo Novaro

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JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "collectionURL": "https://github.com/Roskus/prospero-flow-crm",
          "cpes": [
            "cpe:2.3:a:roskus:prospero_flow_crm:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "Prospero Flow CRM",
          "programFiles": [
            "app/Http/Controllers/Calendar/CalendarDeleteEventController.php"
          ],
          "repo": "https://github.com/Roskus/prospero-flow-crm",
          "vendor": "Roskus",
          "versions": [
            {
              "lessThan": "5.5.3",
              "status": "affected",
              "version": "1.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:roskus:prospero_flow_crm:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.5.3",
                  "versionStartIncluding": "1.0.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "OR"
        }
      ],
      "credits": [
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          "lang": "en",
          "type": "finder",
          "value": "Robert Mihaila"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "Amirreza Fadaeizadeh Bidari"
        },
        {
          "lang": "en",
          "type": "analyst",
          "value": "Xoan M. Otero Jorge"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "Secur0 CNA"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "Gustavo Novaro"
        }
      ],
      "datePublic": "2026-07-02T22:00:00.000Z",
      "descriptions": [
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          "supportingMedia": [
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        }
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      "impacts": [
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          "capecId": "CAPEC-77",
          "descriptions": [
            {
              "lang": "en",
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      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
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            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
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            "vulnAvailabilityImpact": "LOW",
            "vulnConfidentialityImpact": "NONE",
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            "vulnerabilityResponseEffort": "NOT_DEFINED"
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        "orgId": "4daa8cea-433a-44bd-9456-53b127fc289a",
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      },
      "references": [
        {
          "name": "Fix commit 8c26eed4 - add user_id ownership check before delete",
          "tags": [
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          "url": "https://github.com/Roskus/prospero-flow-crm/commit/8c26eed4d80544c30e55448e12a8e999af6d2b70"
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        {
          "name": "Release v5.5.3 (fixed version)",
          "tags": [
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        {
          "tags": [
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          "url": "https://secur0.com/en/cna/cve-list/cve-2026-59234-idor-in-prospero-flow-crm-allows-deletion-of-other-users-calendar-events"
        }
      ],
      "solutions": [
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          "supportingMedia": [
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              "type": "text/html",
              "value": "Upgrade to version 5.5.3 or higher."
            }
          ],
          "value": "Upgrade to version 5.5.3 or higher."
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "tags": [
        "x_open-source"
      ],
      "title": "Authorization Bypass Through User-Controlled Key in Prospero Flow CRM calendar event deletion",
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  },
  "cveMetadata": {
    "assignerOrgId": "4daa8cea-433a-44bd-9456-53b127fc289a",
    "assignerShortName": "Secur0",
    "cveId": "CVE-2026-59234",
    "datePublished": "2026-07-03T12:47:38.445Z",
    "dateReserved": "2026-07-03T11:24:39.241Z",
    "dateUpdated": "2026-07-03T12:47:38.445Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-Q2F8-HPWM-236J

CVE-2026-59234 (GCVE-0-2026-59234)

Tags

Sightings

Nomenclature