CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Called exploited 5 days before disclosure.
Measured from the CVE publication date to the earliest of 3 KEV catalogues that list it.
The life of this vulnerability
- CVE published
- First KEV listing5d
- Last KEV listing22d
- Last sighting55d
Gaps are compressed to equal steps. The elapsed time is printed under each.
Which catalogues call it exploited
- CISA KEVUS federallisted Jul 7, 2026
- EUVDENISA, European Unionlisted Jul 6, 2026
- VulnCheck KEVcommercial researchlisted Jun 15, 2026
- CIRCLaggregator, mirrors the abovelisted Jul 6, 2026, not counted
3 catalogues list it. CIRCL aggregates the others and is shown but not counted.
Public exploitation evidence
- reported exploitationapi.vulncheck.com/v3/index/vulncheck-canaries?cve=CVE-2026-4
- reported exploitationapi.vulncheck.com/v3/index/vulncheck-canaries?cve=CVE-2026-4
- reported exploitationwww.acn.gov.it/portale/documents/20119/1300791/Operational_S
- reported exploitationapi.vulncheck.com/v3/index/vulncheck-canaries?cve=CVE-2026-4
- reported exploitationwww.recordedfuture.com/blog/july-2026-cve-landscape
- reported exploitationapi.vulncheck.com/v3/index/vulncheck-canaries?cve=CVE-2026-4
12 public reports collected from VulnCheck and CIRCL, first on Jun 15, 2026. Each links to its original source. We have not verified them.
Description
A vulnerability in SP Page Builder for Joomla allows unauthenticated users to upload arbitrary files, ultimately resulting in the upload and execution of PHP code.
Required action (CISA)
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.
