How severe is CVE-2026-27316?

CVE-2026-27316 has a CVSS 3.x base score of 2.7, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-27316 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-27316?

CVE-2026-27316 primarily affects Fortinet Fortisandbox. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-27316?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-27316 have an EU (EUVD) identifier?

Yes. CVE-2026-27316 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22333.

When was CVE-2026-27316 published?

CVE-2026-27316 was published on 2026-04-14 and last updated on 2026-06-17.

CVE-2026-27316

CVE-2026-27316 is a low-severity vulnerability in Fortinet Fortisandbox with a CVSS 3.x base score of 2.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-522.

Key facts

Severity: Low (CVSS 3.x base score 2.7)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-22333
Weakness: CWE-522
Affected product: Fortinet Fortisandbox
Published: 2026-04-14
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-27316?: CVE-2026-27316 has a CVSS 3.x base score of 2.7, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-27316 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-27316?: CVE-2026-27316 primarily affects Fortinet Fortisandbox. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-27316?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-27316 have an EU (EUVD) identifier?: Yes. CVE-2026-27316 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22333.
When was CVE-2026-27316 published?: CVE-2026-27316 was published on 2026-04-14 and last updated on 2026-06-17.

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-113

Affected products (3)

cpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortisandbox_cloud:5.0.4:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortisandbox_cloud:5.0.5:*:*:*:*:*:*:*

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