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CVE-2026-110123— Makunet maku-boot 4.3.0 through 5.0.0 Missing Authorization via Mail and SMS Config Endpoints

Quick assessment

Affected
makunet maku-boot
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Makunet maku-boot 4.3.0 至 5.0.0 版本存在缺失授权验证漏洞。攻击者可通过调用 /sys/mail/config/list 和 /sys/sms/config/list 接口，在未经适当权限检查的情况下，读取邮件和短信的配置信息。这使得攻击者能够获取未掩码的 SMTP 密码，以及阿里云、腾讯云、七牛云或华为云的访问密钥，并可滥用 /sys/mail/config/send 接口向任意收件人发送电子邮件。

CVSS 7.1 · High

Affected Version Matrix 1

VendorProduct Version RangeStatus
makunet maku-boot 4.3.0≤ 5.0.0 affected
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I. Basic Information for CVE-2026-110123

Vulnerability Information
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Vulnerability Title
Makunet maku-boot 4.3.0 through 5.0.0 Missing Authorization via Mail and SMS Config Endpoints
Source: CVE Program / CVE List V5
Vulnerability Description
Makunet maku-boot 4.3.0 through 5.0.0 contains a missing authorization vulnerability that allows authenticated users to read mail and SMS configurations by calling /sys/mail/config/list and /sys/sms/config/list without the required authority checks. Attackers can retrieve unmasked SMTP passwords and Aliyun, Tencent Cloud, Qiniu or Huawei Cloud access keys, and abuse /sys/mail/config/send to send mail to arbitrary recipients.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
makunet maku-boot 4.3.0 ~ 5.0.0 -

II. Public POCs for CVE-2026-110123

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-110123

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Patches & Fixes for CVE-2026-110123 (3)

Vendor Advisories for CVE-2026-110123 (1)

Security Blog Posts for CVE-2026-110123 (1)

Vendor Pages for CVE-2026-110123 (1)

IV. Related Vulnerabilities

Same product: maku-boot
Same weakness: CWE-862

V. Comments for CVE-2026-110123

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