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etcd RBAC bypass allows unauthorized data access via PrevKv/lease attachment in nested transaction Put requests

🗓️ 07 May 2026 03:21:53Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 8 Views

Etcd transaction via PrevKv and lease attachment bypasses role based access checks.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-44283
14 May 202617:01
attackerkb
AlpineLinux
CVE-2026-44283
14 May 202617:01
alpinelinux
CBLMariner
CVE-2026-44283 affecting package etcd for versions less than 3.5.30-2
2 Jun 202602:56
cbl_mariner
Chainguard
CVE-2026-44283 vulnerabilities
8 May 202613:17
cgr
CNNVD
etcd 安全漏洞
14 May 202600:00
cnnvd
CVE
CVE-2026-44283
14 May 202617:01
cve
Cvelist
CVE-2026-44283 etcd: Read access via PrevKv in etcd transactions may bypass RBAC authorization checks
14 May 202617:01
cvelist
Debian CVE
CVE-2026-44283
14 May 202617:01
debiancve
EUVD
EUVD-2026-30345
14 May 202617:01
euvd
Microsoft CVE
etcd: Read access via PrevKv in etcd transactions may bypass RBAC authorization checks
17 May 202608:01
mscve
Rows per page
Vulners
Node
go.etcd.ioetcdRange3.4.43go
OR
etcdv3Range3.5.03.5.29go
OR
etcdv3Range3.6.03.6.10go

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14 May 2026 20:54Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14.3
EPSS0.00012
SSVC
8