CVE-2026-48535 GFI Software CVE debrief

Who should care

Users of GFI Archiver versions before 15.13 should be aware of this vulnerability and take steps to mitigate it. This includes administrators and security teams responsible for the affected product, as well as operators and platform owners who may be impacted by the vulnerability.

Technical summary

The vulnerability exists in the Call Home proxy server configuration of GFI Archiver before 15.13. Authenticated attackers can inject arbitrary web script or HTML via the proxy server address parameter to /Archiver/CallHomeSettingsWizard.aspx. The injected payload is stored without output encoding and is executed in the browsers of users who subsequently view the General Settings Additional Settings page. The CVSS score for this vulnerability is 5.1, indicating a moderate level of severity.

Defensive priority

Medium

Recommended defensive actions

• Apply the vendor-provided patch or upgrade to version 15.13 or later
• Restrict access to the Call Home proxy server configuration
• Monitor for suspicious activity on the General Settings Additional Settings page
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record was published on 2026-07-23T16:17:25.903Z and was last modified on 2026-07-27T17:16:36.327Z. The NVD entry is currently Deferred. There is limited information available about the vulnerability, and defenders should verify the affected scope and severity with the vendor. The vulnerability exists in the Call Home proxy server configuration of GFI Archiver before 15.13.

Official resources