CVE-2026-48958
Joomla! Core - [20260712] - Incorrect Access Control in com_fields webservice endpoints
EPSS 0.26%
Description
An improper access check allows unauthorized users to create custom fields via webservices endpoints.
How to fix CVE-2026-48958
To remediate CVE-2026-48958, upgrade the affected package to a fixed version below.
- Bitnami/joomla—upgrade to 5.4.7 or later
Is CVE-2026-48958 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 4.0.0, < 5.4.7, >= 6.0.0, < 6.1.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/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 |