ET WEB_SPECIFIC_APPS Vaultwarden Unauthorized Cipher Enumeration (CVE-2026-26012)

7.0.3 5.0SID: 2071881Rev: 1Enabled16 views

Fileemerging-web_specific_apps.rules

CreatedSeptember 1, 2026

UpdatedSeptember 1, 2026

Classificationattempted-admin

alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET WEB_SPECIFIC_APPS Vaultwarden Unauthorized Cipher Enumeration (CVE-2026-26012)"; reference:url,github.com/dani-garcia/vaultwarden/security/advisories/GHSA-h265-g7rm-h337; reference:cve,2026-26012; classtype:attempted-admin; sid:2071881; rev:1; metadata:affected_product Vaultwarden, attack_target Server, tls_state TLSDecrypt, created_at 2026_09_01, cve CVE_2026_26012, deployment Perimeter, deployment Internal, confidence Medium, signature_severity Major, tag Exploit, updated_at 2026_09_01, 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/dani-garcia/vaultwarden/security/advisories/GHSA-h265-g7rm-h337
cve	2026-26012

Metadata

affected productVaultwarden

attack targetServer

tls stateTLSDecrypt

created at2026_09_01

cve

CVE-2026-26012

deploymentInternal

confidenceMedium

signature severityMajor

tagExploit

updated at2026_09_01

mitre tactic idTA0001

mitre tactic nameInitial_Access

mitre technique idT1190

mitre technique nameExploit_Public_Facing_Application

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