CVE-2026-77780
5.3
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
Summary
Authorization Bypass Through User-Controlled Key in the transaction save endpoint in Roskus Prospero Flow CRM 4.9.1 through 5.14.0 allows a user with transaction and accounting creation permissions to disclose another company's bank account name, bank name and card last four digits via a bank_account_id or bank_card_id belonging to that company in POST /transaction/save, which is persisted and rendered without any company ownership check.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Roskus | Prospero Flow CRM | 4.9.1 < 5.14.2 | affected |
Weaknesses
- CWE-639: CWE-639: Authorization Bypass Through User-Controlled Key
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://github.com/Roskus/prospero-flow-crm/commit/5fd1fe862bbdcbacf5d7e05c1c123981d8809674
- https://github.com/Roskus/prospero-flow-crm/pull/261
- https://secur0.com/en/cna/cve-list/cve-2026-77780-idor-unvalidated-bank-foreign-keys-prospero-transaction-save
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