CVE-2026-48939
Joomla iCagenda extension allows arbitrary file upload, enabling PHP code execution.
Is CVE-2026-48939 being exploited?
Yes. CVE-2026-48939 appears in CISA's Known Exploited Vulnerabilities catalog, which means exploitation in the wild has been confirmed and reported. Treat it as active rather than theoretical, and patch it ahead of higher-scoring vulnerabilities that carry no exploitation evidence.
How severe is CVE-2026-48939?
CVE-2026-48939 is rated Critical with a CVSS score of 10.0. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-48939?
Yes. A fix has been recorded for CVE-2026-48939. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-48939 affect?
CVE-2026-48939 affects iCagenda Joomla extension, Joomla websites using iCagenda. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-48939?
Disable/remove extension; monitor activity; patch when available.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution via uploaded PHP files through iCagenda file attachments.
Immediate action required
- affected3.2.1-4.0.7
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.