Vulnerability · Published Oct 26, 2026 · Assigned by VulnCheck
CVE-2026-116215MacCMS v10 through 2026.1000.4056 Race Condition via Card Redemption
Low 3.1
In plain English
A low-severity race condition in maccms10 from maccmspro. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).
Severity (CVSS 3.1)3.1Low
Exploit odds (30 days)0.2%top 94.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| maccmspro | maccms10 | 0 – through 2021.1000.2000 |
| magicblack | maccms10 | 0 – through 2026.1000.4056 |
Weakness: CWE-362 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
References
- GitHub Issue #30 issue-tracking
- https://github.com/maccmspro/maccms10/blob/7f388ee0008faf5b01e5df7bf5e5a6ff4bbe13e8/application/common/model/Card.php#L123-L160 technical-description
- https://github.com/maccmspro/maccms10 product
- VulnCheck Advisory: MacCMS v10 through 2026.1000.4056 Race Condition via Card Redemption third-party-advisory