Vulnerability-Lookup

CVE-2026-82911 (GCVE-0-2026-82911)

Vulnerability from cvelistv5 – Published: 2026-09-04 15:33 – Updated: 2026-09-04 19:31 X_Open Source

Title

CSRF in Prospero Flow CRM order confirmation allows unauthorized order state changes

Summary

Cross-Site Request Forgery (CSRF) in the OrderConfirmController at GET /order/confirm/{order_number} in Roskus Prospero Flow CRM before 5.15.11 allows an unauthenticated attacker to confirm any order on behalf of an authenticated user by directing them to a crafted page. Laravel's VerifyCsrfToken middleware enforces CSRF tokens only on POST, PUT, PATCH, and DELETE requests; the Route::get declaration leaves this state-changing action unprotected. Session cookies configured with SameSite=Lax are automatically included in top-level cross-site navigation, so a single link click triggers OrderConfirmController::confirm() and transitions the target order from pending to confirmed without user authorization. Because order numbers are sequential integers, an attacker can enumerate and confirm all existing orders in a single automated sweep.

Severity

5.1 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-04 19:31 UTC

CWE

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

Assigner

Secur0 INCIBE root

References

2 references

URL	Tags
https://github.com/Roskus/prospero-flow-crm/commi…	patch
https://secur0.com/en/cna/cve-list/cve-2026-82911…	third-party-advisorytechnical-description

Impacted products

1 product

Vendor	Product	Version	CPE status
Roskus	Prospero Flow CRM	Affected: 0 , < 5.15.11 (semver) cpe:2.3:a:roskus:prospero_flow_crm::::::::

Date Public

2026-07-30 00:00

Credits

Darío Chacón Mario Álvarez Darío Rivas Quero Cristian Fernández Cornejo Secur0 CNA Gustavo Novaro

Show details on NVD website

JSON

To clipboard

{
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                "id": "CVE-2026-82911",
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              "cpeMatch": [
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              "value": "\u003cp\u003eUpgrade to 5.15.11 or later from the main branch; no tagged release carries the fix.\u003c/p\u003e"
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      "source": {
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      "tags": [
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      "title": "CSRF in Prospero Flow CRM order confirmation allows unauthorized order state changes"
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    "state": "PUBLISHED"
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  }
}

FKIE_CVE-2026-82911

Vulnerability from fkie_nvd - Published: 2026-09-04 16:18 - Updated: 2026-09-04 20:17

Severity

5.1 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/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/a90c0c8c
	4daa8cea-433a-44bd-9456-53b127fc289a	https://secur0.com/en/cna/cve-list/cve-2026-82911-csrf-order-confirmation-prospero-flow-crm

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:roskus:prospero_flow_crm:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "modules": [
            "Order"
          ],
          "product": "Prospero Flow CRM",
          "programFiles": [
            "routes/module/order.php",
            "resources/views/order/index.blade.php",
            "app/Http/Controllers/Order/OrderConfirmController.php"
          ],
          "repo": "https://github.com/Roskus/prospero-flow-crm",
          "vendor": "Roskus",
          "versions": [
            {
              "lessThan": "5.15.11",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "4daa8cea-433a-44bd-9456-53b127fc289a"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cross-Site Request Forgery (CSRF) in the OrderConfirmController at GET /order/confirm/{order_number} in Roskus Prospero Flow CRM before 5.15.11 allows an unauthenticated attacker to confirm any order on behalf of an authenticated user by directing them to a crafted page. Laravel\u0027s VerifyCsrfToken middleware enforces CSRF tokens only on POST, PUT, PATCH, and DELETE requests; the Route::get declaration leaves this state-changing action unprotected. Session cookies configured with SameSite=Lax are automatically included in top-level cross-site navigation, so a single link click triggers OrderConfirmController::confirm() and transitions the target order from pending to confirmed without user authorization. Because order numbers are sequential integers, an attacker can enumerate and confirm all existing orders in a single automated sweep."
    }
  ],
  "id": "CVE-2026-82911",
  "lastModified": "2026-09-04T20:17:30.113",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 5.1,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "ACTIVE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/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": "NONE",
          "vulnIntegrityImpact": "LOW",
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        "type": "Secondary"
      }
    ],
    "ssvcV203": [
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        "ssvcData": {
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          "options": [
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            }
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    },
    {
      "source": "4daa8cea-433a-44bd-9456-53b127fc289a",
      "url": "https://secur0.com/en/cna/cve-list/cve-2026-82911-csrf-order-confirmation-prospero-flow-crm"
    }
  ],
  "sourceIdentifier": "4daa8cea-433a-44bd-9456-53b127fc289a",
  "vulnStatus": "Received",
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      "type": "Secondary"
    }
  ]
}

GHSA-4758-H5XR-5H97

Vulnerability from github – Published: 2026-09-04 18:31 – Updated: 2026-09-04 18:31

Details

Severity

5.1 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-82911"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-352"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-04T16:18:16Z",
    "severity": "MODERATE"
  },
  "details": "Cross-Site Request Forgery (CSRF) in the OrderConfirmController at GET /order/confirm/{order_number} in Roskus Prospero Flow CRM before 5.15.11 allows an unauthenticated attacker to confirm any order on behalf of an authenticated user by directing them to a crafted page. Laravel\u0027s VerifyCsrfToken middleware enforces CSRF tokens only on POST, PUT, PATCH, and DELETE requests; the Route::get declaration leaves this state-changing action unprotected. Session cookies configured with SameSite=Lax are automatically included in top-level cross-site navigation, so a single link click triggers OrderConfirmController::confirm() and transitions the target order from pending to confirmed without user authorization. Because order numbers are sequential integers, an attacker can enumerate and confirm all existing orders in a single automated sweep.",
  "id": "GHSA-4758-h5xr-5h97",
  "modified": "2026-09-04T18:31:29Z",
  "published": "2026-09-04T18:31:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-82911"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Roskus/prospero-flow-crm/commit/a90c0c8c"
    },
    {
      "type": "WEB",
      "url": "https://secur0.com/en/cna/cve-list/cve-2026-82911-csrf-order-confirmation-prospero-flow-crm"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/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-2026-82911 (GCVE-0-2026-82911)

FKIE_CVE-2026-82911

GHSA-4758-H5XR-5H97

Tags

Sightings

Nomenclature