CVE-2026-109406

MEDIUM 5.3

Published 2026-10-13 · Last modified 2026-10-14

A weakness has been identified in macrozheng mall up to 1.0.3. This vulnerability affects the function OmsPortalOrderServiceImpl of the file /order/generateOrder of the component mall-portal. This manipulation of the argument coupon_amount/pay_amount causes business logic errors. The attack is possible to be carried out remotely. The vendor deleted the GitHub issue for this vulnerability without any explanation.

NO EXPLOITATION SIGNALS

No known exploitation, public exploit, or elevated probability at this time. Track for changes.

Exploitation likelihood

0.3%chance of exploitation in 30 days · 16th percentile

○ In CISA KEV ○ Catalogued PoC

Impact if exploited

5.3CVSS 4.0 · MEDIUM

ConfidentialityNone
IntegrityLow
AvailabilityLow

What an attacker needs

✓Access: Reachable over the network — no local access needed
⚠Privileges: Requires a low-privilege account
✓User interaction: No user interaction needed
✓Complexity: No special conditions — reliably repeatable
✓Requirements: No special attack requirements

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept

No public PoC is currently catalogued.

Search for new PoCs

Search GitHub now — results may be empty or unverified.

Tracked sources are checked daily for recent CVEs, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.

Data snapshot: 2026-10-26T13:52:32.101Z

Affected

Vendors Macrozheng

Products Mall

Weakness (CWE)

CWE-840: Business Logic Errors

CVSS vector

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:X

References and research data (JSON)

All CVSS metrics

MEDIUM 5.3 v4.0 · CNA Primary
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:X
MEDIUM 5.4 v3.1 · CNA Primary
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:X/RL:X/RC:C
MEDIUM 5.4 v3.0 · CNA Primary
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:X/RL:X/RC:C
MEDIUM 5.5 v2.0 · CNA Primary
AV:N/AC:L/Au:S/C:N/I:P/A:P/E:ND/RL:ND/RC:C
MEDIUM 5.3 v4.0 · NVD Secondary
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: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
MEDIUM 5.4 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
MEDIUM 5.5 v2.0 · NVD Secondary
AV:N/AC:L/Au:S/C:N/I:P/A:P

References

Advisories

https://vuldb.com/cve/CVE-2026-109406 third-party-advisoryCVE record · VulDB · Updated 2026-10-13T12:45:13.157Z
NVD · CVE-2026-109406 · Updated 2026-10-14T14:17:37.233
https://vuldb.com/submit/979830 third-party-advisoryCVE record · VulDB · Updated 2026-10-13T12:45:13.157Z
NVD · CVE-2026-109406 · Updated 2026-10-14T14:17:37.233
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-98551 ADVISORYEUVD · EUVD-2026-98551

Technical & other

https://vuldb.com/vuln/416948 vdb-entrytechnical-descriptionCVE record · VulDB · Updated 2026-10-13T12:45:13.157Z
NVD · CVE-2026-109406 · Updated 2026-10-14T14:17:37.233
https://vuldb.com/vuln/416948/cti signaturepermissions-requiredCVE record · VulDB · Updated 2026-10-13T12:45:13.157Z
NVD · CVE-2026-109406 · Updated 2026-10-14T14:17:37.233
https://github.com/macrozheng/mall/issues/1002 issue-trackingCVE record · VulDB · Updated 2026-10-13T12:45:13.157Z
NVD · CVE-2026-109406 · Updated 2026-10-14T14:17:37.233
https://github.com/macrozheng/mall/ productCVE record · VulDB · Updated 2026-10-13T12:45:13.157Z
NVD · CVE-2026-109406 · Updated 2026-10-14T14:17:37.233

Sources: NVD · CVE.org · EPSS