CVE-2026-116215
MacCMS v10 through 2026.1000.4056 Race Condition via Card Redemption
CVSS Score
3.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-362 |
| Vendor | maccmspro |
| Product | maccms10 |
| Published | Oct 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
Affected Versions
maccmspro / maccms10
0 ≤ 2021.1000.2000
magicblack / maccms10
0 ≤ 2026.1000.4056
References
github.com: https://github.com/maccmspro/maccms10/issues/30 github.com: https://github.com/maccmspro/maccms10/blob/7f388ee0008faf5b01e5df7bf5e5a6ff4bbe13e8/application/common/model/Card.php#L123-L160 github.com: https://github.com/maccmspro/maccms10 vulncheck.com: https://www.vulncheck.com/advisories/maccms-v10-through-2026.1000.4056-race-condition-via-card-redemption
Credits
Abu Raihan Biswas