CVE-2026-48958
Joomla! Core - [20260712] - Incorrect Access Control in com_fields webservice endpoints
HIGH
8.8
CVSS Score
Published: July 7, 2026 at 05:32 PM UTC
Updated: October 25, 2026 at 08:10 PM UTC
1 product affected across 1 vendorJoomla!
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Severity
HIGH8.8
Exploit prediction
EPSS 0.5%
SSVC
No known exploit
Description
An improper access check allows unauthorized users to create custom fields via webservices endpoints.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below 5.4.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.1.2, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (1)
Vendor Advisory
Source: cverecord
https://developer.joomla.org/security-centre/1066-20260712-core-incorrect-access-control-in-com-fields-webservice-endpoints.htmlSSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusANALYZED
CWE
CWE-284NVD-CWE-noinfo
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