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[NEW] [medium] Fortinet FortiClient EMS: Vulnerability allows bypassing security measures

mediumCVE-2026-59836
A remote, anonymous attacker can exploit a vulnerability in Fortinet FortiClient EMS to bypass security measures.

CSIRTS triage

vendor: Fortinetproduct: FortiClient EMSAuthentication bypass
What
A vulnerability allows a remote, anonymous attacker to bypass security measures.
Who is affected
Deployments of Fortinet FortiClient EMS.
Urgency
Remediation is important due to the medium severity of the vulnerability.
Action
Update to the latest version to mitigate the vulnerability.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity
medium
Published
2026-07-15
Exploitation
Not in CISA KEV at last sync
Language
Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2331

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-59836coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Fortinet FortiClient EMS

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from CERT-Bund (BSI) Security Advisories