CVE-2026-103539

ZongXR SuperMarket Instant Buy InstantBuyController.java startBuy missing authentication

A weakness has been identified in ZongXR SuperMarket 1.0.0.0. This affects the function startBuy of the file instant-buy/src/main/java/com/supermarket/instantbuy/controller/InstantBuyController.java of the component Instant Buy. Executing a manipulation of the argument Username can lead to missing authentication. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Affected

ZongXR · SuperMarket

CVSS v4.0 VULDB

2.1 LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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

CVSS v3.1 VULDB

5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

CVSS v2.0 VULDB

5.5 MEDIUMAV:N/AC:L/Au:S/C:N/I:P/A:P

EPSS

0.32% chance of exploitation in the next 30 days, 23rd percentile

Published

2026-10-01

Updated

2026-10-06

Proof-of-concept exploits (1)

• ZongXR/SuperMarket/issues/302109★ · 2024-03-06

References

• CVE Record
• NVD entry

Related

• CVE-2026-103536
• CVE-2026-103538