What’s Vulnerable › Vulnerabilities

CVE-2026-103539: ZongXR SuperMarket Instant Buy InstantBuyController.java startBuy missing authentication

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-01 · updated 2026-10-06
• Weakness: CWE-287

Description

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 products

• ZongXR SuperMarket: 1.0.0.0

References

• https://github.com/ZongXR/SuperMarket/
• https://github.com/ZongXR/SuperMarket/issues/30
• https://vuldb.com/cve/CVE-2026-103539
• https://vuldb.com/submit/957826
• https://vuldb.com/vuln/412349
• https://vuldb.com/vuln/412349/cti
• https://github.com/ZongXR/SuperMarket/issues/30

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