CVE-2026-48939
criticalpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.201 · 97 %ileexploit · PoCEUUSadded 2026-07-10remediate by 2026-07-13
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.
EPSS · scored 2026-10-22
iCagenda Unrestricted Upload of File with Dangerous Type Vulnerability
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (3)
Public proof-of-concept and weaponised exploit code.
affected products (3)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (11)
External citations — patches, advisories, analysis.
- https://mysites.guru/blog/icagenda-zero-day-file-upload-rce/cnnvd
- https://www.icagenda.com/cnnvd
- https://www.icagenda.com/docs/changelog/icagenda-3-9-15cnnvd
- https://www.icagenda.com/docs/changelog/icagenda-4-0-8cnnvd
- https://www.icagenda.com/enisa_euvd
- https://github.com/Polosss/By-Poloss..-..CVE-2026-48939ExploitThird Party Advisorynvd
- https://mysites.guru/blog/icagenda-zero-day-file-upload-rce/Third Party Advisorynvd
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48939US Government Resourcenvd
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