CVE-2026-90788 magicblack MacCMS10 Template .%40template%40default%40html%40label.html os command injection
Remote attackers can execute arbitrary OS commands via the Template Handler in MacCMS10, requiring administrative permissions.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-90788?
CVE-2026-90788 is a medium-severity command injection vulnerability in magicblack MacCMS10, published on 14 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A security flaw has been discovered in magicblack MacCMS10 2026.1000.4055. Affected by this vulnerability is an unknown functionality of the file /admin1.php/admin/template/index/path/.%40template%40default%40html%40label.html of the component Template Handler. Performing a manipulation results in os command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Which versions are affected by CVE-2026-90788?
How do I fix CVE-2026-90788?
No fix has been published for CVE-2026-90788 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-90788 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90788 exists.
Sources
Also known as GHSA-ffxm-fmch-m6mq.