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CVE-2026-48939

iCagenda Unrestricted Upload of File with Dangerous Type Vulnerability

iCagenda iCagenda CWE-434

A vulnerability in the iCagenda extension for Joomla allows the upload of arbitrary files in the file attachment feature, ultimately resulting in PHP code upload and execution.

CVSS Score
10
Critical
EPSS — Exploit Probability
20%
Riskier than 97% of all CVEs · checked 2026-10-08
Exploitation
Confirmed in the wild
KEV since 2026-07-10
Remediation
Patch available
Federal deadline 2026-07-13
CISA required action

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. Deadline for federal agencies: 2026-07-13.

NVD entry Vendor patch PoC / advisory CISA KEV

6 articles across 5 outlets · first covered Jul 10, 2026 · latest Jul 13, 2026

Associated threat actors

Void Arachne

Coverage timeline