CVE-2026-110123 Makunet maku-boot 4.3.0 through 5.0.0 Missing Authorization via Mail and SMS Config Endpoints
Authenticated users can access mail and SMS configuration endpoints to retrieve sensitive credentials and send arbitrary emails due to missing authorization checks.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-110123?
CVE-2026-110123 is a high-severity missing authorization vulnerability in makunet maku-boot, published on 13 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-862
Which versions are affected by CVE-2026-110123?
How do I fix CVE-2026-110123?
No fix has been published for CVE-2026-110123 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-110123 being exploited?
There is no known exploitation of CVE-2026-110123 in the wild and no public exploit code.
Sources
Also known as GHSA-h693-8653-564c.