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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
VLAI
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.
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)
References
Impacted products
Vendor Product Version CPE status
Roskus Prospero Flow CRM Affected: 0 , < 5.15.11 (semver)
    cpe:2.3:a:roskus:prospero_flow_crm:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-30 00:00
Show details on NVD website

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                }
              ],
              "value": "Upgrade to 5.15.11 or later from the main branch; no tagged release carries the fix."
            }
          ],
          "source": {
            "discovery": "EXTERNAL"
          },
          "tags": [
            "x_open-source"
          ],
          "title": "CSRF in Prospero Flow CRM order confirmation allows unauthorized order state changes"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "4daa8cea-433a-44bd-9456-53b127fc289a",
        "assignerShortName": "Secur0",
        "cveId": "CVE-2026-82911",
        "datePublished": "2026-09-04T15:33:44.562Z",
        "dateReserved": "2026-08-31T10:22:08.667Z",
        "dateUpdated": "2026-09-04T19:31:33.575Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Taxonomy of the tags.


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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