CVE-2026-48939

iCagenda Unrestricted Upload of File with Dangerous Type Vulnerability

iCagenda iCagenda

CVSS

10.0Critical

ExploitationExploited in the wildAdded to KEV 10 Jul 2026CISA KEV

Exploit odds (EPSS)20.1%Chance of exploitation activity in the next 30 days, higher than 97% of CVEs. Scored 23 Oct 2026FIRST EPSS

Fixed inNone listedNo source names a fixed version. Check the vendor advisory below

Federal deadline13 Jul 2026Remediation due date for US federal agenciesCISA KEV

CISA required actionApply 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. CISA KEV

Patching is not enoughCISA requires federal agencies to look for signs of compromise on affected systems, not only patch (forensic triage under BOD 26-04). Treat exposed systems as possibly compromised. CISA guidance

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

20 Jun 2026, 11:56 UTCPublishedCVE List
10 Jul 2026Added to CISA KEVCISA KEV

Public exploit code and templates 1

Scanner templateJoomla iCagenda < 3.9.10 - Unauthenticated Arbitrary File Upload RCENuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

iCagenda contains an unrestricted upload of file with dangerous type vulnerability that allows the upload of arbitrary files in the file attachment feature, ultimately resulting in PHP code upload and execution.

Text from CVE List

Affected versions 1

iCagenda extension for Joomlaaffected: 3.2.1-4.0.7CVE List