CVE-2026-48900

Name: CVE-2026-48900
Creator: NVD / NIST
Published: 2026-05-26T17:16:54.74+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.4/10EPSS 0.15%

Last modified Jun 17, 2026

CVE-2026-48900 is a medium-severity vulnerability rated 6.4/10 on the CVSS scale. An improper access check allowed low privileged users to edit the task types of existing scheduler tasks.. EPSS estimates a 0.15% chance of exploitation in the next 30 days.

Description

An improper access check allowed low privileged users to edit the task types of existing scheduler tasks.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CVSS 4.0

6.4/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.15%

4.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Joomla	Joomla\!	>= 4.1.0, < 5.4.6
Joomla	Joomla\!	>= 6.0.0, < 6.1.1

References

https://developer.joomla.org/security-centre/1048-20260516-core-incorrect-access-control-in-com-scheduler.htmlVendor Advisory

Timeline

Published: May 26, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-48900?

An improper access check allowed low privileged users to edit the task types of existing scheduler tasks.

How severe is CVE-2026-48900?

CVE-2026-48900 has a CVSS score of 6.4/10 (MEDIUM severity). The EPSS model estimates a 0.15% probability of exploitation in the next 30 days.

How do I fix CVE-2026-48900?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-48900?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST