Deserialization in Joomshaper.net Sp Lms Extension For Joomla

CVE-2026-48909

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.

Vulnerability class: Insecure Deserialization

Published · last modified .

EPSS exploit prediction

EPSS: 0.049 (91.9th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-48909: held from 0.049 to 0.049.

EPSS over last 30 days · oldest: 0.049 · newest: 0.049 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-48909?
CVE-2026-48909 is a vulnerability in Joomshaper.net Sp Lms Extension For Joomla, classified under Deserialization of Untrusted Data. Published 2026-06-20.
Is CVE-2026-48909 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.