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Vulnerability record · public intelligence
CVE-2026-103539
MEDIUM

ZongXR SuperMarket Instant Buy InstantBuyController.java startBuy missing authentication

Published Oct 1, 2026 · Updated Nov 3, 2026

Severity · CVSSMEDIUM · Not scored
Known exploitationNot listed
EPSS / likelihood0.38%
QFinch risk scoreNot available

Original summary

Normalized public record · Updated Nov 3, 2026

ZongXR SuperMarket Instant Buy InstantBuyController.java startBuy missing authentication

Publisher and source text is retained separately from QFinch interpretation.

QFinch assessment

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.

Evidence: public source records

Affected products

Affected scope reported by the available public evidence
Affected package, product or rangeFix status
Consult the referenced vendor advisory for affected versions.Consult source advisory

Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.

Remediation

Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.

  1. Confirm the affected product and reachable code path exist in your environment.
  2. Apply the vendor-supported patch or mitigation from the primary advisory.
  3. Rescan the exact deployed revision and retain verification evidence.
Review primary references

Evidence coverage

FIRST-EPSSCVE-LIST-V5
SSVC priority
LOW
Confidence
Not available
Aliases
None reported

Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.

Sources and record history

  1. VDB-412349 | ZongXR SuperMarket Instant Buy InstantBuyController.java startBuy missing authentication ↗
  2. VDB-412349 | CTI Indicators (IOB, IOC, IOA) ↗
  3. CVE-2026-103539 | CVE Analysis and Report ↗
  4. Submit #957826 | ZongXR SuperMarket master Missing Authentication ↗
  5. Source repository ↗
  6. Source repository ↗

Record history

Published Oct 1, 2026 · Last refreshed Nov 3, 2026

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