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CVE-2026-72531 Joomla! Core - [20260804] - Improper ACL checks for custom fields webservice endpoints in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2

🗓️ 18 Aug 2026 16:08:48Reported by JoomlaType 
cvelist
 cvelist
🔗 www.cve.org👁 38 Views

Joomla! Core lacks proper ACL checks on custom fields webservice endpoints, allowing unauthorized field creation for inaccessible components.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-72531
18 Aug 202616:08
–attackerkb
circl
Circl
CVE-2026-72531
19 Aug 202613:35
–circl
cve
CVE
CVE-2026-72531
18 Aug 202616:08
–cve
euvd
EUVD
EUVD-2026-61033
18 Aug 202616:08
–euvd
joomla
Joomla! Vulnerable Extensions List
[20260804] - Core - Improper ACL checks for custom fields webservice endpoints
6 Jul 202600:00
–joomla
mend
Mend
CVE-2026-72531
18 Aug 202616:08
–mend
nvd
NVD
CVE-2026-72531
18 Aug 202617:17
–nvd
osv_bit
osv_bit
BIT-JOOMLA-2026-72531 Joomla! Core - [20260804] - Improper ACL checks for custom fields webservice endpoints in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2
4 Sep 202608:47
–osv_bit
osv_cve
osv_cve
CVE-2026-72531
18 Aug 202617:17
–osv_cve
ptsecurity
Positive Technologies
PT-2026-77194
18 Aug 202600:00
–ptsecurity
Rows per page
[
  {
    "defaultStatus": "unaffected",
    "product": "Joomla! CMS",
    "vendor": "Joomla! Project",
    "versions": [
      {
        "status": "affected",
        "version": "4.0.0-5.4.6"
      },
      {
        "status": "affected",
        "version": "6.0.0-6.1.2"
      }
    ]
  }
]

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19 Aug 2026 04:49Current
CVSS 45.1
EPSS0.00264
SSVC
38