CVE-2026-111356

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

9.1 Critical

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: None

Exploit likelihood

0.45%Up 0.1 points since Oct 16, 2026

What each source reports

CVE List Score used 9.1

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

Record: CVE-2026-111356
CVSS 4.0: 9.1 CriticalCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS 3.1: 7.4 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-307
Updated: 2026-11-02

EUVDEUVD-2026-102500 9.1

Record: EUVD-2026-102500
CVSS 4.0: 9.1 CriticalCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-x2wf-9f7g-pjxv 9.1

MacCMS v10 through 2026.1000.4056 does not limit attempts on the six-digit password recovery code...

Record: GHSA-x2wf-9f7g-pjxv
CVSS 4.0: 9.1 CriticalCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/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
CVSS 3.1: 7.4 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-307
Updated: 2026-11-02

NVD 9.1

Record: CVE-2026-111356
CVSS 4.0: 9.1 CriticalCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/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
CVSS 3.1: 7.4 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-307
Updated: 2026-11-02

OSV 9.1

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

Record: CVE-2026-111356
CVSS 4.0: 9.1 CriticalCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Weakness: CWE-307
Updated: 2026-11-02

Affected products

magicblack maccms

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-111356 is a critical vulnerability (CVSS 9.1) in Magicblack Maccms, published October 15, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.45%, the 39th percentile. No source names a fixed version.