CVE-2026-48901

Joomla! Core - [20260517] - Incorrect Cache Key Construction for InputFilter objects

HIGH
7.5
CVSS Score
Published: May 26, 2026 at 04:42 PM UTC
Updated: July 24, 2026 at 11:23 AM UTC
1 product affected across 1 vendorJoomla!

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Severity
HIGH7.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

The InputFilter::getInstance() method omitted a security sensitive parameter from the instance cache key.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

4.0.0 ≤ v < 5.4.66.0.0 ≤ v < 6.1.14.0.0-5.4.56.0.0-6.1.0
Affected range stops below 5.4.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.1.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-524

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