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Fortinet CVE-2026-27316

| EUVDEUVD-2026-22333 LOW
Insufficiently Protected Credentials (CWE-522)
2026-04-14 fortinet
2.7
CVSS 3.1 · NVD

Severity by source

NVD PRIMARY
2.7 LOW
AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

5
Analysis Generated
Apr 14, 2026 - 17:04 vuln.today
CVSS changed
Apr 14, 2026 - 16:22 NVD
2.5 (LOW) 2.7 (LOW)
EUVD ID Assigned
Apr 14, 2026 - 16:00 euvd
EUVD-2026-22333
Analysis Generated
Apr 14, 2026 - 16:00 vuln.today
CVE Published
Apr 14, 2026 - 15:38 nvd
LOW 2.7

DescriptionCVE.org

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.

AnalysisAI

Insufficiently protected credentials in Fortinet FortiSandbox 5.0.0-5.0.5, 4.4.x, and FortiSandbox PaaS 5.0.1-5.0.5 allow authenticated administrators to read LDAP server credentials via client-side inspection. This low-severity information disclosure requires high-privilege authentication and network access, exposing only credential confidentiality without enabling modification or denial of service.

Technical ContextAI

FortiSandbox is Fortinet's malware analysis and sandboxing platform. The vulnerability resides in the handling of LDAP authentication credentials within the administrative interface, specifically affecting the client-side rendering or storage of LDAP server connection details. The root cause is classified as CWE-522 (Insufficiently Protected Credentials), indicating that sensitive authentication material is inadequately safeguarded against unauthorized disclosure. Authenticated administrators with access to the web UI can inspect client-side code, cached data, or unencrypted credential fields to extract plaintext or weakly obfuscated LDAP credentials. The CPE identifiers cpe:2.3:a:fortinet:fortisandbox and cpe:2.3:a:fortinet:fortisandbox_paas confirm that both standalone FortiSandbox appliances and the cloud-based PaaS variant are affected across multiple version families.

RemediationAI

Upgrade FortiSandbox to a patched version provided by Fortinet; consult FG-IR-26-113 (https://fortiguard.fortinet.com/psirt/FG-IR-26-113) for exact fixed versions. For PaaS customers, Fortinet will manage patches automatically; on-premises customers must apply the vendor-released update to their deployment. As an interim workaround, restrict administrative console access to trusted networks and review LDAP credential configurations via secure administrative practices. If LDAP credentials are exposed, rotate the LDAP service account password immediately to prevent unauthorized directory access.

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CVE-2026-27316 vulnerability details – vuln.today

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