Vulnerability · Published Mar 22, 2026 · Assigned by VulDB
CVE-2026-4562MacCMS Timming API Endpoint Timming.php weak authentication
High 7.3
In plain English
A high-severity missing authentication in MacCMS. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities).
Severity (CVSS 3.1)7.3High
Exploit odds (30 days)0.5%top 55.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A security flaw has been discovered in MacCMS 2025.1000.4052. This affects an unknown part of the file application/api/controller/Timming.php of the component Timming API Endpoint. The manipulation results in missing authentication. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks.
Affected products (as reported)
Weakness: CWE-306, CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-352399 | MacCMS Timming API Endpoint Timming.php weak authentication vdb-entry
- VDB-352399 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #775039 | Maccms MacCMS 2025.1000.4052 Missing Authentication third-party-advisory
- https://github.com/HuajiHD/CVE/issues/9 exploit, issue-tracking