MacCMS v10 through 2026.1000.4056 Race Condition via Card Redemption (maccmspro maccms10)

CVE-2026-116215

LOW 2.3

At a glance

Source: NVD
EPSS: EPSS 0.16 % · percentile 6 (2026-10-29)
State: PUBLISHED
Published: 2026-10-26 13:08 UTC
Updated: 2026-10-26 13:08 UTC
Assigner: VulnCheck
NVD status: Deferred

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Description

MacCMS v10 through 2026.1000.4056 contains a race condition vulnerability in Card::useData() that allows authenticated members to redeem one recharge card multiple times via the user/buy endpoint. Attackers can send many concurrent flag=card requests that pass the non-locking card read before it is marked used, inflating user_points to buy VIP upgrades and paid content.

Weaknesses (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization

References

Scores

Version	Score	Vector	Scored by
CVSS 4.0	LOW 2.3	CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N	VulnCheck
CVSS 3.1	LOW 3.1	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N	VulnCheck
CVSS 4.0	LOW 2.3	CVSS:4.0/AV:N/AC:L/AT:P/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	NVD · disclosure@vulncheck.com (Secondary)
CVSS 3.1	LOW 3.1	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N	NVD · disclosure@vulncheck.com (Primary)

European references

ENISA EUVD · EUVD-2026-109807
GCVE · GCVE-0-2026-116215

Affected products

Product	Versions
maccmspro · maccms10	affected 0 ≤ 2021.1000.2000
magicblack · maccms10	affected 0 ≤ 2026.1000.4056

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD

🟢 MacCMS v10 through 2026.1000.4056 Race Condition via Card Redemption (maccmspro maccms10)