CVE-2026-39679 ApusTheme CVE debrief

Who should care

Users of Freeio theme version 1.3.21 or earlier should apply patches or mitigations to prevent Local File Inclusion attacks. This includes operators, administrators, and security teams responsible for maintaining and securing systems that use the Freeio theme.

Technical summary

The Freeio theme has a PHP Remote File Inclusion vulnerability due to improper control of filenames for include/require statements. This issue, tracked as CVE-2026-39679, has a CVSS score of 7.5 and is classified as HIGH severity. The vulnerability affects Freeio versions from n/a through <= 1.3.21. Affected product deployments should be reviewed for exposure and patched or mitigated as necessary.

Defensive priority

Apply patches or updates for Freeio theme to prevent exploitation of CVE-2026-39679. Restrict file inclusion to trusted sources and monitor for suspicious file inclusion attempts.

Recommended defensive actions

• Apply patches or updates for Freeio theme
• Restrict file inclusion to trusted sources
• Monitor for suspicious file inclusion attempts
• 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

Evidence notes

The CVE record was published on 2026-04-08T09:16:39.617Z and has not been modified since then. The NVD entry is currently Deferred. Evidence is limited to CVE and NVD details. Defenders should verify Freeio theme versions and apply patches or mitigations as needed.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.