ET WEB_SPECIFIC_APPS Kestra Unauthenticated Remote Code Execution (CVE-2026-53576)

7.0.3 5.0SID: 2071777Rev: 1Enabled11 views

Fileemerging-web_specific_apps.rules

CreatedAugust 24, 2026

UpdatedAugust 24, 2026

Classificationweb-application-attack

alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET WEB_SPECIFIC_APPS Kestra Unauthenticated Remote Code Execution (CVE-2026-53576)"; reference:url,github.com/kestra-io/kestra/security/advisories/GHSA-2q47-568g-9h4f; reference:cve,2026-53576; classtype:web-application-attack; sid:2071777; rev:1; metadata:attack_target Server, tls_state TLSDecrypt, created_at 2026_08_24, cve CVE_2026_53576, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Exploit, updated_at 2026_08_24, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)

Detection details are hidden.

References

url	github.com/kestra-io/kestra/security/advisories/GHSA-2q47-568g-9h4f
cve	2026-53576

Metadata

attack targetServer

tls stateTLSDecrypt

created at2026_08_24

cve

CVE-2026-53576

deploymentInternal

confidenceHigh

signature severityMajor

tagExploit

updated at2026_08_24

mitre tactic idTA0001

mitre tactic nameInitial_Access

mitre technique idT1190

mitre technique nameExploit_Public_Facing_Application

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