CVE-2026-48909 Details.
Joomla SP LMS <= 4.1.3 - Remote Code Execution
Atlas does not check this one. Needs a scripted sequence.
This check is a series of requests where each step depends on the last, often after logging in. Atlas runs single, read-only probes, so it does not run this one.
About CVE-2026-48909. What It Means.
SP LMS (com_splms) < 4.1.4 by JoomShaper deserializes user-controlled cookie data without validation, enabling an unauthenticated remote attacker to execute arbitrary code on the server.
Affected Product. What Is Hit.
- Vendor
- joomshaper
- Product
- Joomshaper SP LMS
FAQ
Common Questions.
Joomla SP LMS <= 4.1.3 - Remote Code Execution. SP LMS (com_splms) < 4.1.4 by JoomShaper deserializes user-controlled cookie data without validation, enabling an unauthenticated remote attacker to execute arbitrary code on the server.
No. This check is a series of requests where each step depends on the last, often after logging in. Atlas runs single, read-only probes, so it does not run this one. The facts about CVE-2026-48909 are on this page, and you can request a demo to see how Brandefense watches your whole external attack surface.
CVE-2026-48909 is not on the CISA Known Exploited Vulnerabilities list at the time of writing, but it is still worth fixing.
Update Joomshaper SP LMS to the latest version from the vendor, or follow the vendor's advice to switch off the affected feature. Vendor links are listed on this page when they are known.
This page lists the public facts about CVE-2026-48909. Atlas does not run a check for it, so nothing here says whether a particular site is affected.