What is CVE-2026-27316?

CVE-2026-27316 is a low-severity vulnerability in Fortinet Fortisandbox, classified under Insufficiently Protected Credentials. CVSS score: 2.7/10. Published 2026-04-14.

How severe is CVE-2026-27316?

Low severity. CVSS v3 base score is 2.7 out of 10.

Vulnerability in Fortinet Fortisandbox

CVE-2026-27316

A insufficiently protected credentials vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4 all versions, FortiSandbox PaaS 5.0.1 through 5.0.5 may allow an authenticathed administrator to read LDAP server credentials via client-side inspection.

EPSS: 0.003 (22.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N.

Affected products

Fortinet Fortisandbox — versions 5.0.0, 4.4.0
Fortinet Fortisandbox_cloud — versions 5.0.4, 5.0.5
Fortinet Fortisandbox Paas — versions 23.4.4374, 23.4.4350, 23.3.4329

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

References

psirt@fortinet.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-27316?: CVE-2026-27316 is a low-severity vulnerability in Fortinet Fortisandbox, classified under Insufficiently Protected Credentials. CVSS score: 2.7/10. Published 2026-04-14.
How severe is CVE-2026-27316?: Low severity. CVSS v3 base score is 2.7 out of 10.