CVE-2026-111719 roncoo CVE debrief

Who should care

Defenders responsible for Roncoo-pay deployments should assess exposure and prioritize verification and remediation efforts. This includes reviewing the current version of Roncoo-pay in use, applying patches or updates if necessary, and monitoring for suspicious activity related to payment records. Security teams and vulnerability management teams should also be aware of the potential risks associated with this vulnerability and take necessary steps to rem

Why it matters

CVE-2026-111719 is a high-severity information disclosure vulnerability in Roncoo-pay that allows unauthenticated attackers to retrieve payment records. Defenders responsible for Roncoo-pay deployments should assess exposure and prioritize verification and remediation efforts.

• Potential unauthorized access to payment records
• Possible exploitation by attackers to obtain sensitive information
• Need for verification of affected versions and application of patches or updates
• Potential impact on merchant payment records

Technical summary

The vulnerability exists in F2FPayController.orderQuery and allows unauthenticated attackers to retrieve payment records by supplying a trxNo parameter. Attackers can guess transaction numbers with a '7' prefix plus a snowflake ID to obtain the full serialized payment record of any merchant. This vulnerability is caused by a missing authorization mechanism in the F2FPayController.orderQuery endpoint, which enables attackers to access sensitive payment records without proper authentication. The affected product is Roncoo-pay through commit 9428382.

Defensive priority

Defenders should prioritize verifying the affected version of Roncoo-pay and applying the necessary patches or updates.

Recommended defensive actions

• Verify the version of Roncoo-pay in use and apply patches or updates if necessary
• Restrict access to the F2FPayController.orderQuery endpoint
• Monitor for suspicious activity related to payment records
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and source item provide details about the vulnerability, including its existence in Roncoo-pay through commit 9428382 and the potential for unauthenticated attackers to retrieve payment records.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.