CVE-2026-44283

etcd is a distributed key-value store for the data of a distributed system. Prior to 3.4.44, 3.5.30, and 3.6.11, a vulnerability in etcd allows read access via PrevKv, or lease attachment in Put requests within transaction operations, to bypass RBAC authorization checks. An authenticated user without sufficient read or lease-related permissions may be able to access unauthorized data or attach leases by invoking transaction operations with these features enabled. This vulnerability is fixed in 3.4.44, 3.5.30, and 3.6.11.

CVSS

No CVSS.

References

Link	Resource
https://github.com/etcd-io/etcd/security/advisories/GHSA-x35m-3gp4-4fh5	Mitigation Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:etcd:etcd::::::::
	cpe:2.3:a:etcd:etcd::::::::
	cpe:2.3:a:etcd:etcd::::::::

History

15 May 2026, 18:24

Type	Values Removed	Values Added
CPE		cpe:2.3:a:etcd:etcd::::::::
First Time		Etcd etcd Etcd
References	~~() https://github.com/etcd-io/etcd/security/advisories/GHSA-x35m-3gp4-4fh5 -~~	() https://github.com/etcd-io/etcd/security/advisories/GHSA-x35m-3gp4-4fh5 - Mitigation, Vendor Advisory

14 May 2026, 18:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-14 18:16

Updated : 2026-05-15 18:24

NVD link : CVE-2026-44283

Mitre link : CVE-2026-44283

CVE.ORG link : CVE-2026-44283

JSON object : View

Products Affected

etcd

etcd

CWE

CWE-863

Incorrect Authorization

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