{"id":"CVE-2026-82911","title":"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…","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…","severity":"none","cwe":["CWE-352"],"published":"2026-09-04","updated":"2026-09-09","sourceUpdated":"2026-09-09T15:52:04.827","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-82911","references":[{"url":"https://github.com/Roskus/prospero-flow-crm/commit/a90c0c8c","label":"4daa8cea-433a-44bd-9456-53b127fc289a"},{"url":"https://secur0.com/en/cna/cve-list/cve-2026-82911-csrf-order-confirmation-prospero-flow-crm","label":"4daa8cea-433a-44bd-9456-53b127fc289a"}],"tags":["nvd"],"epss":0.00162,"epssPercentile":0.05782,"ingestedAt":"2026-09-09T16:14:05.518Z","slug":"CVE-2026-82911","body":"## Overview\n\nCross-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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}