Vulnerability in Boidcms

CVE-2026-39387

BoidCMS is an open-source, PHP-based flat-file CMS for building simple websites and blogs, using JSON as its database. Versions prior to 2.1.3 are vulnerable to a critical Local File Inclusion (LFI) attack via the tpl parameter, which can…

EPSS: 0.002 (36.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-39387?
CVE-2026-39387 is a high-severity vulnerability in Boidcms, classified under PHP Remote File Inclusion. CVSS score: 7.2/10. Published 2026-04-14.
How severe is CVE-2026-39387?
High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2026-39387 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.