CVE-2026-111719: Roncoo-pay through commit 9428382 Information Disclosure via /f2fPay/order/query

Severity: medium (CVSS 5.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-16 · updated 2026-10-21
Weakness: CWE-306

Description

Roncoo-pay through commit 9428382 contains a missing authorization vulnerability in F2FPayController.orderQuery that allows unauthenticated attackers to retrieve payment records by supplying a trxNo parameter. Attackers can guess transaction numbers, a '7' prefix plus a snowflake ID, to obtain the full serialized payment record of any merchant.

References

https://github.com/roncoo/roncoo-pay/blob/9428382af21cd5568319eae7429b7e1d0332ff40/roncoo-pay-web-gateway/src/main/java/com/roncoo/pay/controller/F2FPayController.java#L75-L79
https://hackmd.io/@hieuPenguinnn/roncoo-pay-f2f-order-query-unauth-record-disclosure
https://www.vulncheck.com/advisories/roncoo-pay-through-commit-9428382-information-disclosure-via-f2fpay-order-query
https://hackmd.io/@hieuPenguinnn/roncoo-pay-f2f-order-query-unauth-record-disclosure

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