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CVE-2026-48957— Joomla! Core - [20260711] - Incorrect Access Control in com_privacy webservice endpoints

Quick assessment

Affected
Joomla! Project Joomla! CMS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Joomla! Project Joomla! CMS是Joomla! Project的内容管理系统。 Joomla! Project Joomla! CMS存在权限许可和访问控制问题漏洞，该漏洞源于访问检查不当，可能导致未经授权的用户访问com_privacy数据集。

AI Predicted 5.3 Difficulty: Easy EPSS 0.42% · P34

Possible ATT&CK Techniques 1 AI

T1528 · Steal Application Access Token

Affected Version Matrix 2

VendorProduct Version RangeStatus
Joomla! Project Joomla! CMS 4.0.0-5.4.6 affected
6.0.0-6.1.1 affected
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I. Basic Information for CVE-2026-48957

Vulnerability Information
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Vulnerability Title
Joomla! Core - [20260711] - Incorrect Access Control in com_privacy webservice endpoints
Source: CVE Program / CVE List V5
Vulnerability Description
An improper access check allows unauthorized users to access com_privacy datasets.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Joomla! Project Joomla! CMS 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Joomla! Project Joomla! CMS是Joomla! Project的内容管理系统。 Joomla! Project Joomla! CMS存在权限许可和访问控制问题漏洞，该漏洞源于访问检查不当，可能导致未经授权的用户访问com_privacy数据集。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Joomla! Project Joomla! CMS 4.0.0-5.4.6 -

II. Public POCs for CVE-2026-48957

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III. Intelligence Information for CVE-2026-48957

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Vendor Advisories for CVE-2026-48957 (1)

Same Patch Batch · Joomla! Project · 2026-07-07 · 12 CVEs total

CVE-2026-48956 Joomla! Core - [20260710] - Incorrect Access Control in com_modules
CVE-2026-48948 Joomla! Core - [20260702] - Incorrect Access Control in com_contact vcf download
CVE-2026-48949 Joomla! Core - [20260703] - XSS in MFA method management
CVE-2026-48952 Joomla! Core - [20260706] - XSS in com_installer
CVE-2026-48947 Joomla! Core - [20260701] - Incorrect Access Control in com_media webservice endpoints
CVE-2026-48953 Joomla! Core - [20260707] - XSS in the generic image output layout
CVE-2026-48950 Joomla! Core - [20260704] - XSS in com_templates
CVE-2026-48954 Joomla! Core - [20260708] - XSS through language overrides
CVE-2026-48958 Joomla! Core - [20260712] - Incorrect Access Control in com_fields webservice endpoints
CVE-2026-48955 Joomla! Core - [20260709] - Incorrect Access Control in com_workflow
CVE-2026-48951 Joomla! Core - [20260705] - XSS in various modalreturn layouts

IV. Related Vulnerabilities

Same product: Joomla! CMS
Same vendor: Joomla! Project
Same weakness: CWE-284

V. Comments for CVE-2026-48957

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