CVE-2026-23899 is an improper access check vulnerability in Joomla! Core that allows unauthorized access to webservice endpoints. Rated 8.6 High severity, this vulnerability can be exploited remotely with low attack complexity by an attacker who already possesses high privileges, potentially leading to high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, nor is public exploit code available. Community discussion remains minimal, with only one mention identified.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 3.0.0, < 5.4.4CPE matchmatch criteria | cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:* | ||
>= 6.0.0, < 6.0.4CPE matchmatch criteria | cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.