ET WEB_SPECIFIC_APPS Fortinet FortiSandbox Unauthenticated Remote Code Execution (CVE-2026-39808)

SID: 2068806Rev: 16 views

Sourceet/open

CreatedApril 16, 2026

UpdatedApril 16, 2026

Classificationweb-application-attack

alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Fortinet FortiSandbox Unauthenticated Remote Code Execution (CVE-2026-39808)"; flow:established,to_server; http.uri; content:"/fortisandbox/job-detail/tracer-behavior|3f|"; fast_pattern; content:"jid|3d|"; pcre:"/^[^&]*?(?:\x7c|\x25(?:25)?7[cC])/R"; http.method; content:"GET"; reference:url,github.com/samu-delucas/CVE-2026-39808; reference:cve,2026-39808; classtype:web-application-attack; sid:2068806; rev:1; metadata:attack_target Server, tls_state TLSDecrypt, created_at 2026_04_16, cve CVE_2026_39808, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Exploit, updated_at 2026_04_16, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)

References

url	github.com/samu-delucas/CVE-2026-39808
cve	2026-39808

Metadata

attack targetServer

tls stateTLSDecrypt

created at2026_04_16

cveCVE-2026-39808

deploymentInternal

confidenceHigh

signature severityMajor

tagExploit

updated at2026_04_16

mitre tactic idTA0001

mitre tactic nameInitial_Access

mitre technique idT1190

mitre technique nameExploit_Public_Facing_Application

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