CVE entry · CVE-2026-48939
CVE-2026-48939: iCagenda Unrestricted Upload of File with Dangerous Type Vulnerability
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.
- Actively exploited: added to CISA’s KEV catalog on July 10, 2026.
- Use by ransomware: not established so far.
- Remediation deadline for US federal agencies: July 13, 2026.
Description from CISA’s KEV catalog.
What to do
- Check whether your estate includes iCagenda, including internet-facing devices.
- Apply the vendor’s patch or mitigations (references below). Failing that, isolate the product or stop using it, as CISA requires of US federal agencies.
- An exploited vulnerability has often been used before it was fixed: look for signs of compromise, especially on internet-facing devices.
References
- Vendor advisory or reference cited by CISA (www.icagenda.com)
- NVD entry (NIST)
- CISA KEV catalog