Use of cache containing sensitive information in Joomla! - CVE-2026-48901
Published: May 26, 2026
Vulnerability identifier: #VU132332
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-48901
CWE-ID: CWE-524
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Joomla!
Affected software:
Joomla!
Joomla!
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass intended input filtering.
The vulnerability exists due to improper cache key construction in InputFilter::getInstance() when creating cached InputFilter objects. A remote attacker can trigger reuse of an InputFilter instance with an omitted security-sensitive parameter to bypass intended input filtering.
How to mitigate CVE-2026-48901
Install security update from vendor's website.