macrozheng mall Coupon Redemption generateOrder race condition

published 2026-10-13 27 d ago modified 2026-10-15 25 d ago also EUVD-2026-98552

cvss: 3.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 6%
public exploits: 0; none known

A security vulnerability has been detected in macrozheng mall up to 1.0.3. This issue affects some unknown processing of the file /order/generateOrder of the component Coupon Redemption. Such manipulation of the argument couponId leads to race condition. The attack may be performed from remote. The attack requires a high level of complexity. The exploitability is assessed as difficult. The vendor deleted the GitHub issue for this vulnerability without any explanation.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 25 d ago (2026-10-15)

Exploit prediction

0.17% chance of exploitation in the next 30 days, higher than 6% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	2.3	CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X
CNA	3.1	3.1	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:X/RL:X/RC:C
CNA	3.0	3.1	CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:X/RL:X/RC:C
CNA	2.0	2.1	AV:N/AC:H/Au:S/C:N/I:P/A:N/E:ND/RL:ND/RC:C
CNA	4.0	2.3	CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/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
CNA	3.1	3.1	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
CNA	2.0	2.1	AV:N/AC:H/Au:S/C:N/I:P/A:N

Affected products

macrozheng mall

Classification

Weakness

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

References

vuldb.com /vuln/416949
vdb-entry, technical-description
vuldb.com /vuln/416949/cti
signature, permissions-required
vuldb.com /cve/CVE-2026-109407
third-party-advisory
vuldb.com /submit/979872
third-party-advisory
github.com /macrozheng/mall/issues/1003
issue-tracking
github.com /macrozheng/mall/
product

Sources

CVE List CVE-2026-109407
NVD CVE-2026-109407

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary