ET WEB_SPECIFIC_APPS Gitea Container Registry Unauthorized Private Image Access (CVE-2026-27771)

SID: 2069653Rev: 12 views

Sourceet/open

Fileemerging-web_specific_apps.rules

CreatedJune 4, 2026

UpdatedJune 4, 2026

Classificationweb-application-attack

alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET WEB_SPECIFIC_APPS Gitea Container Registry Unauthorized Private Image Access (CVE-2026-27771)"; flow:established,to_server; http.request_line; content:"GET /v2/token?"; fast_pattern; startswith; content:"service|3d|container_registry"; content:"scope|3d 2a|"; reference:url,orca.security/resources/blog/gitea-container-registry-vulnerability/; reference:cve,2026-27771; classtype:web-application-attack; sid:2069653; rev:1; metadata:attack_target Server, tls_state TLSDecrypt, created_at 2026_06_04, cve CVE_2026_27771, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Exploit, updated_at 2026_06_04, 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	orca.security/resources/blog/gitea-container-registry-vulnerability/
cve	2026-27771

Metadata

attack targetServer

tls stateTLSDecrypt

created at2026_06_04

cve

CVE-2026-27771

deploymentInternal

confidenceHigh

signature severityMajor

tagExploit

updated at2026_06_04

mitre tactic idTA0001

mitre tactic nameInitial_Access

mitre technique idT1190

mitre technique nameExploit_Public_Facing_Application

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