ET WEB_SPECIFIC_APPS Flowise Unauthenticated OAuth Configuration Disclosure (CVE-2026-56270)

7.0.35.0SID: 2071775Rev: 1Enabled5 views
Sourceet/open
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 Flowise Unauthenticated OAuth Configuration Disclosure (CVE-2026-56270)"; flow:established,to_server; http.uri; content:"/api/v1/loginmethod?"; fast_pattern; content:"organizationid|3d|"; nocase; reference:url,github.com/FlowiseAI/Flowise/security/advisories/GHSA-6pcv-j4jx-m4vx; reference:cve,2026-56270; classtype:web-application-attack; sid:2071775; rev:1; metadata:affected_product Flowise, attack_target Server, tls_state TLSDecrypt, created_at 2026_08_24, cve CVE_2026_56270, 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; target:dest_ip;)

References

urlgithub.com/FlowiseAI/Flowise/security/advisories/GHSA-6pcv-j4jx-m4vx
cve2026-56270

Metadata

affected productFlowise
attack targetServer
tls stateTLSDecrypt
created at2026_08_24
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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