CVE-2026-103539CWE-287CWE-306

CVE-2026-103539

Medium · published October 1, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
23.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
CVSS v4.0
5.3 · CVSS: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
EPSS
0.00316 · 23.4th percentile
Weaknesses
CWE-287 · Improper Authentication; CWE-306 · Missing Authentication for Critical Function
Published
2026-10-01T09:17Z
References (7)
https://github.com/ZongXR/SuperMarket/ · [email protected]https://github.com/ZongXR/SuperMarket/issues/30 · [email protected]https://vuldb.com/cve/CVE-2026-103539 · [email protected]https://vuldb.com/submit/957826 · [email protected]https://vuldb.com/vuln/412349 · [email protected]https://vuldb.com/vuln/412349/cti · [email protected]https://github.com/ZongXR/SuperMarket/issues/30 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 03 OCT 03:41Z
    EPSS moved — → 0%
    epss
  • 01 OCT 05:00Z
    ZongXR SuperMarket Instant Buy InstantBuyController.java startBuy missing authentication
    cvelistv5