Vulnerability details

CVE-2026-111356

magicblack MacCMS

MacCMS v10 through 2026.1000.4056 Account Takeover via Password Recovery Brute-Force

CVSS 4.0

9.1Critical

Official description

MacCMS v10 through 2026.1000.4056 does not limit attempts on the six-digit password recovery code, allowing unauthenticated attackers to take over member accounts. Attackers knowing a victim's email or phone can request a code and brute-force findpass_reset to overwrite the member's password.

CVSS scores

Score	Version	Source	Vector
9.1Critical	4.0	CVEProject cvelistV5 (CNA) (VulnCheck)	`CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N`
7.4High	3.1	CVEProject cvelistV5 (CNA) (VulnCheck)	`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N`

Affected products

Vendor	Product	Versions	Source
magicblack	MacCMS	v ≤ 2026.1000.4056	CVEProject cvelistV5 (CNA)

References and advisories

https://github.com/magicblack/maccms10/blob/v2026.1000.4056/application/common/model/User.php#L1199-L1231 technical-description
https://github.com/magicblack/maccms10/blob/v2026.1000.4056/application/common/model/User.php#L1397-L1450 technical-description
https://github.com/magicblack/maccms10 product
https://www.vulncheck.com/advisories/maccms-v10-through-2026.1000.4056-account-takeover-via-password-recovery-brute-force third-party-advisory
https://hackmd.io/@hieuPenguinnn/maccms10-password-reset-code-brute-force-account-takeover third-party-advisory

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Details

Published: 2026-10-16
Last updated: 2026-10-16
State: Published
Assigner (CNA): VulnCheck
Kolun priority: 24 · Low

Exploit prediction (EPSS)

0.44%

Probability of exploitation in 30 days

39.1%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: Proof of concept
Technical impact: Total

Weaknesses (CWE)

CWE-307
Improper Restriction of Excessive Authentication Attempts