Vulnerability · Published May 26, 2026 · Assigned by Joomla
CVE-2026-48901Joomla! Core - [20260517] - Incorrect Cache Key Construction for InputFilter objects
High 7.5
In plain English
A high-severity security flaw in Joomla! CMS from Joomla! Project. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.2%top 84.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The InputFilter::getInstance() method omitted a security sensitive parameter from the instance cache key.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Joomla! Project | Joomla! CMS | 4.0.0-5.4.56.0.0-6.1.0 |
Weakness: CWE-524 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N