{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-77780", "assignerOrgId": "4daa8cea-433a-44bd-9456-53b127fc289a", "state": "PUBLISHED", "assignerShortName": "Secur0", "dateReserved": "2026-08-21T11:30:36.990Z", "datePublished": "2026-08-21T12:12:59.160Z", "dateUpdated": "2026-08-21T12:12:59.160Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "4daa8cea-433a-44bd-9456-53b127fc289a", "shortName": "Secur0", "dateUpdated": "2026-08-21T12:12:59.160Z"}, "title": "Unvalidated bank account and card foreign keys in the Prospero Flow CRM transaction save endpoint allow cross-tenant disclosure of banking identifiers", "datePublic": "2026-08-21T12:05:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-639", "description": "CWE-639: Authorization Bypass Through User-Controlled Key", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-1", "descriptions": [{"lang": "en", "value": "CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs"}]}], "affected": [{"vendor": "Roskus", "product": "Prospero Flow CRM", "repo": "https://github.com/Roskus/prospero-flow-crm", "modules": ["Transaction (Accounting) save path", "Accounting listing"], "programFiles": ["app/Http/Controllers/Transaction/TransactionSaveController.php", "app/Http/Requests/TransactionSaveRequest.php"], "versions": [{"status": "affected", "version": "4.9.1", "lessThan": "5.14.2", "versionType": "semver"}], "defaultStatus": "unaffected"}], "cpeApplicability": [{"operator": "OR", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:roskus:prospero_flow_crm:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9.1", "versionEndExcluding": "5.14.2"}]}]}], "descriptions": [{"lang": "en", "value": "Authorization Bypass Through User-Controlled Key in the transaction save endpoint in Roskus\nProspero Flow CRM 4.9.1 through 5.14.0 allows a user with transaction and accounting\ncreation permissions to disclose another company's bank account name, bank name and card\nlast four digits via a bank_account_id or bank_card_id belonging to that company in POST\n/transaction/save, which is persisted and rendered without any company ownership check.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Authorization Bypass Through User-Controlled Key in the transaction save endpoint in Roskus\nProspero Flow CRM 4.9.1 through 5.14.0 allows a user with transaction and accounting\ncreation permissions to disclose another company's bank account name, bank name and card\nlast four digits via a bank_account_id or bank_card_id belonging to that company in POST\n/transaction/save, which is persisted and rendered without any company ownership check."}]}], "tags": ["x_open-source"], "references": [{"url": "https://github.com/Roskus/prospero-flow-crm/commit/5fd1fe862bbdcbacf5d7e05c1c123981d8809674", "tags": ["patch"]}, {"url": "https://github.com/Roskus/prospero-flow-crm/pull/261", "tags": ["issue-tracking"]}, {"url": "https://secur0.com/en/cna/cve-list/cve-2026-77780-idor-unvalidated-bank-foreign-keys-prospero-transaction-save", "tags": ["technical-description", "third-party-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 5.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"}}], "solutions": [{"lang": "en", "value": "Upgrade to 5.14.2 or later. No tagged release carries the fix; the newest tag v5.14.0 is\naffected. Rows already written are not corrected by the patch.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Upgrade to 5.14.2 or later. No tagged release carries the fix; the newest tag <code>v5.14.0</code> is\naffected. Rows already written are not corrected by the patch."}]}], "credits": [{"lang": "en", "value": "Adri\u00e1n Garc\u00eda L\u00f3pez", "type": "finder"}, {"lang": "en", "value": "Xo\u00e1n M. Otero Jorge", "type": "analyst"}, {"lang": "en", "value": "Dar\u00edo Rivas Quero", "type": "analyst"}, {"lang": "en", "value": "Secur0 CNA", "type": "coordinator"}, {"lang": "en", "value": "Gustavo Novaro", "type": "remediation developer"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.4"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "modules": ["Transaction (Accounting) save path", "Accounting listing"], "product": "Prospero Flow CRM", "programFiles": ["app/Http/Controllers/Transaction/TransactionSaveController.php", "app/Http/Requests/TransactionSaveRequest.php"], "repo": "https://github.com/Roskus/prospero-flow-crm", "vendor": "Roskus", "versions": [{"lessThan": "5.14.2", "status": "affected", "version": "4.9.1", "versionType": "semver"}]}], "source": "4daa8cea-433a-44bd-9456-53b127fc289a"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Authorization Bypass Through User-Controlled Key in the transaction save endpoint in Roskus\nProspero Flow CRM 4.9.1 through 5.14.0 allows a user with transaction and accounting\ncreation permissions to disclose another company's bank account name, bank name and card\nlast four digits via a bank_account_id or bank_card_id belonging to that company in POST\n/transaction/save, which is persisted and rendered without any company ownership check."}], "id": "CVE-2026-77780", "lastModified": "2026-08-21T13:18:20.423", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.3, "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": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/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": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "4daa8cea-433a-44bd-9456-53b127fc289a", "type": "Secondary"}]}, "published": "2026-08-21T13:18:20.423", "references": [{"source": "4daa8cea-433a-44bd-9456-53b127fc289a", "url": "https://github.com/Roskus/prospero-flow-crm/commit/5fd1fe862bbdcbacf5d7e05c1c123981d8809674"}, {"source": "4daa8cea-433a-44bd-9456-53b127fc289a", "url": "https://github.com/Roskus/prospero-flow-crm/pull/261"}, {"source": "4daa8cea-433a-44bd-9456-53b127fc289a", "url": "https://secur0.com/en/cna/cve-list/cve-2026-77780-idor-unvalidated-bank-foreign-keys-prospero-transaction-save"}], "sourceIdentifier": "4daa8cea-433a-44bd-9456-53b127fc289a", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-639"}], "source": "4daa8cea-433a-44bd-9456-53b127fc289a", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.9.1,5.14.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "inferred", "scores": [{"score": 100.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Prospero Flow CRM", "source": "cna", "vendor": "Roskus"}, "product": "prospero_flow_crm", "vendor": "roskus"}], "created": "2026-08-21T13:45:15.270875+00:00", "updated": "2026-08-21T13:45:15.387847+00:00", "vendors": ["roskus", "roskus$PRODUCT$prospero_flow_crm"]}