CVE-2026-103539
ZongXR SuperMarket Instant Buy InstantBuyController.java startBuy missing authentication
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.
INFO
Published Date :
Oct. 1, 2026, 5:17 a.m.
Last Modified :
Oct. 1, 2026, 5:17 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-103539
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- Validate user credentials before allowing access to the startBuy function.
- Ensure that authentication is enforced for all requests.
- Apply security patches when available from the vendor.
- Review and strengthen authentication mechanisms.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-103539.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-103539 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-103539
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-103539 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-103539 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Oct. 01, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 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 Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L Added CVSS V2 (AV:N/AC:L/Au:S/C:N/I:P/A:P) Added CWE CWE-287 Added CWE CWE-306 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/103xxx/CVE-2026-103539.json">CVE-2026-103539</a> Added Reference https://github.com/ZongXR/SuperMarket/ Added Reference https://github.com/ZongXR/SuperMarket/issues/30 Added Reference https://vuldb.com/cve/CVE-2026-103539 Added Reference https://vuldb.com/submit/957826 Added Reference https://vuldb.com/vuln/412349 Added Reference https://vuldb.com/vuln/412349/cti