Is there a public exploit for CVE-2026-44283?

No public exploit for CVE-2026-44283 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-44283?

CVE-2026-44283 scores CVSS 4.3 (v3.1), rated medium. EPSS puts the chance of exploitation in the next 30 days at 0.23%.

What does CVE-2026-44283 affect?

CVE-2026-44283 affects etcd-io etcd.

4.3 Medium

etcd is a distributed key-value store for the data of a distributed system.

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.

Assessment

CVSS: 4.3 (v3.1)
Severity: Medium
EPSS: 0.23% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 14 May 2026
Last updated: 17 June 2026
Affected: etcd-io · etcd
Weakness: CWE-863
Assigner: security-advisories@github.com

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

At the source

References

https://github.com/etcd-io/etcd/security/advisories/GHSA-x35m-3gp4-4fh5

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